Capital Road Race Management
Boston Marathon logo
BOSTON MARATHON 2024

Chihoon Lee

FL

Bib: 23747 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M80+)
#0 / 10
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:24/mi
32:18
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:58/mi
1:06:21
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:23/mi
1:41:44
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
12:26/mi
2:20:23
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
12:28/mi
2:28:53
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
13:14/mi
3:00:59
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
14:03/mi
3:44:39
↑ 181↓ 1480.2%
138 ft elev
20M
14:17/mi
4:04:04
↑ 64↓ 500.2%
148 ft elev
21M
15:00/mi
4:19:04
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
13:07/mi
4:28:53
↑ 17↓ 861.7%
156 ft elev
23M
13:08/mi
4:45:19
↑ 23↓ 630.6%
116 ft elev
24M
12:09/mi
4:57:28
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:44/mi
5:08:21
↓ 200.3%
20 ft elev
25.2M
13:44/mi
5:13:05
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:47/mi
5:25:05
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:28:5311:21 /mi⚡ faster
2nd Half
2:56:1213:26 /mi+18.3%
Positive split — 18.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:1832:1810:2432:18
10:24
-
10K
6.21 mi12:27:211:06:2110:4134:03
10:58
+0:34
15K
9.32 mi13:02:441:41:4410:5535:23
11:23
+0:25
20K
12.43 mi13:41:232:20:2311:1838:39
12:26
+1:03
Half
13.11 mi13:49:532:28:5311:218:30
12:28
+0:02
25K
15.53 mi14:21:593:00:5911:3932:06
13:14
+0:46
30K
18.64 mi15:05:393:44:3912:0343:40
14:03
+0:49
20M
20.00 mi15:25:044:04:0412:1219:25
14:17
+0:14
21M
21.00 mi15:40:044:19:0412:2015:00
15:00
+0:43
35K
21.75 mi15:49:534:28:5312:229:49
13:07
-1:53
23M
23.00 mi16:06:194:45:1912:2416:26
13:08
+0:01
24M
24.00 mi16:18:284:57:2812:2412:09
12:09
-0:59
40K
24.85 mi16:29:215:08:2112:2410:53
12:44
+0:35
25.2M
25.20 mi16:34:055:13:0512:254:44
13:44
+1:00
Finish
26.22 mi16:46:055:25:0512:2412:00
11:47
-1:57

Checkpoints & Pacing

Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:24 /mi

Average Pace

12:24 /mi

Slowest Pace

15:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:53:44

35% of race

Time at Steady Pace

2:08:32

40% of race

Time at Slower Pace

1:22:49

25% of race

Average Pace: 12:24 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:53:1832:1810:2432:18
10:24
#23883
10K
6.21 mi12:27:211:06:2110:4134:03
10:58
#24107
15K
9.32 mi13:02:441:41:4410:5535:23
11:23
#24170
20K
12.43 mi13:41:232:20:2311:1838:39
12:26
#24268
Half
13.11 mi13:49:532:28:5311:218:30
12:28
#24314
25K
15.53 mi14:21:593:00:5911:3932:06
13:14
#24353
30K
18.64 mi15:05:393:44:3912:0343:40
14:03
#24357
20M
20.00 mi15:25:044:04:0412:1219:25
14:17
#24353
21M
21.00 mi15:40:044:19:0412:2015:00
15:00
#24324
35K
21.75 mi15:49:534:28:5312:229:49
13:07
#24320
23M
23.00 mi16:06:194:45:1912:2416:26
13:08
#24268
24M
24.00 mi16:18:284:57:2812:2412:09
12:09
#24195
40K
24.85 mi16:29:215:08:2112:2410:53
12:44
#24138
25.2M
25.20 mi16:34:055:13:0512:254:44
13:44
#24098
Finish
26.22 mi16:46:055:25:0512:2412:00
11:47
#24077
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM80+Seg. OverallSeg. MalesSeg. M80+
5K3.11 mi3.11 mi238831395413954241761405314053
10K6.21 mi3.10 mi24107-22414041-8714041-87242151407314073
15K9.32 mi3.11 mi24170-6314068-2714068-27241761405314053
20K12.43 mi3.11 mi24268-9814096-2814096-28244271412514125
Half13.11 mi0.68 mi24314-4614111-1514111-15248831427814278
25K15.53 mi2.42 mi24353-3914117-614117-6243961405414054
30K18.64 mi3.11 mi24357-414100+1714100+17242511391913919
20M20.00 mi1.36 mi24353+414084+1614084+16241971382413824
21M21.00 mi1.00 mi24324+2914067+1714067+17235571345213452
35K21.75 mi0.75 mi24320+414061+614061+6233741332713327
23M23.00 mi1.25 mi24268+5214021+4014021+40227381297212972
24M24.00 mi1.00 mi24195+7313972+4913972+49217481239912399
40K24.85 mi0.85 mi24138+5713933+3913933+39218281240512405
25.2M25.20 mi0.35 mi24098+4013912+2113912+21211341204612046
Finish26.22 mi1.02 mi24077+2113895+1713895+17229161296612966

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

24176

Males

14053

M80+

14053

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

24215

Males

14073

M80+

14073

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

24176

Males

14053

M80+

14053

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

24427

Males

14125

M80+

14125

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

24883

Males

14278

M80+

14278

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

24396

Males

14054

M80+

14054

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

24251

Males

13919

M80+

13919

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

24197

Males

13824

M80+

13824

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

23557

Males

13452

M80+

13452

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

23374

Males

13327

M80+

13327

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

22738

Males

12972

M80+

12972

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

21748

Males

12399

M80+

12399

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

21828

Males

12405

M80+

12405

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

21134

Males

12046

M80+

12046

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

22916

Males

12966

M80+

12966

Passing Analysis

Category:
Athletes Passed
860
Passed By
1054
Net Change
-194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23883
5K → 10K100324-224#23883#24107
10K → 15K121184-63#24107#24170
15K → 20K63161-98#24170#24268
20K → Half955-46#24268#24314
Half → 25K63102-39#24314#24353
25K → 30K9498-4#24353#24357
30K → 20M4743+4#24357#24353
20M → 21M4819+29#24353#24324
21M → 35K2420+4#24324#24320
35K → 23M6614+52#24320#24268
23M → 24M774+73#24268#24195
24M → 40K669+57#24195#24138
40K → 25.2M455+40#24138#24098
25.2M → Finish3716+21#24098#24077
TOTALS8601054-194

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support