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BOSTON MARATHON 2025

Heingchul Shin

Bib: 9549 M KR

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 37%
Division (M70-74)
#0 / 228
Top 0.4%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:59/mi
21:42
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:01/mi
43:30
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:03/mi
1:05:25
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:10/mi
1:27:41
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:09/mi
1:32:34
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:35/mi
1:50:56
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:49/mi
2:15:13
↑ 181↓ 1480.2%
138 ft elev
20M
7:47/mi
2:25:47
↑ 64↓ 500.2%
148 ft elev
21M
8:34/mi
2:34:21
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:26/mi
2:39:55
↑ 17↓ 861.7%
156 ft elev
23M
7:59/mi
2:49:55
↑ 23↓ 630.6%
116 ft elev
24M
8:35/mi
2:58:30
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:00/mi
3:07:03
↓ 200.3%
20 ft elev
25.2M
9:08/mi
3:10:12
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:48/mi
3:19:10
↑ 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
1:32:347:04 /mi⚡ faster
2nd Half
1:46:368:08 /mi+15.2%
Positive split — 15.2% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:426:593.11 mi21:42
6:59
-
10K
43:307:003.10 mi21:48
7:01
+0:02
15K
1:05:257:013.11 mi21:55
7:03
+0:02
20K
1:27:417:033.11 mi22:16
7:10
+0:07
Half(13.11 mi)
1:32:347:040.68 mi4:53
7:09
-0:01
25K
1:50:567:082.42 mi18:22
7:35
+0:26
30K
2:15:137:153.11 mi24:17
7:49
+0:14
20M
2:25:477:171.36 mi10:34
7:47
-0:02
21M
2:34:217:211.00 mi8:34
8:34
+0:47
35K
2:39:557:210.75 mi5:34
7:26
-1:08
23M
2:49:557:231.25 mi10:00
7:59
+0:33
24M
2:58:307:261.00 mi8:35
8:35
+0:36
40K
3:07:037:320.85 mi8:33
10:00
+1:25
25.2M
3:10:127:330.35 mi3:09
9:08
-0:52
Finish(26.22 mi)
3:19:107:361.02 mi8:58
8:48
-0:20
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:59 /mi

Average Pace

7:36 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:32:34

46% of race

Time at Steady Pace

1:08:47

35% of race

Time at Slower Pace

37:49

19% of race

Average Pace: 7:36 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi770067986798799469406940
10K3.10 mi7862-1626892-946892-94803169946994
15K3.11 mi7886-246909-176909-17799469406940
20K3.11 mi7861+256869+406869+40794968426842
Half(13.11 mi)0.68 mi7888-276878-96878-9872773397339
25K2.42 mi8222-3347064-1867064-1861053581618161
30K3.11 mi8456-2347152-887152-881006977237723
20M1.36 mi8446+107116+367116+36886469306930
21M1.00 mi8552-1067144-287144-281086678057805
35K0.75 mi8503+497090+547090+54820664296429
23M1.25 mi8510-77051+397051+39991371887188
24M1.00 mi8853-3437217-1667217-1661501395829582
40K0.85 mi9460-6077525-3087525-308204381200312003
25.2M0.35 mi9503-437527-27527-21247882078207
Finish(26.22 mi)1.02 mi9879-3767695-1687695-168180001086310863

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7994

Males

6940

M70-74

6940

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

8031

Males

6994

M70-74

6994

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7994

Males

6940

M70-74

6940

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7949

Males

6842

M70-74

6842

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8727

Males

7339

M70-74

7339

Half→25K

13.1 - 15.5 mi

Top 37%
×4story building
+66ft-88ft

Overall

10535

Males

8161

M70-74

8161

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

10069

Males

7723

M70-74

7723

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8864

Males

6930

M70-74

6930

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10866

Males

7805

M70-74

7805

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

8206

Males

6429

M70-74

6429

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9913

Males

7188

M70-74

7188

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

15013

Males

9582

M70-74

9582

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20438

Males

12003

M70-74

12003

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12478

Males

8207

M70-74

8207

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

18000

Males

10863

M70-74

10863

Passing Analysis

Category:
Passed
1047
Passed By
3226
Net Change
-2179
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7700
5K → 10K132294-162#7700#7862
10K → 15K133157-24#7862#7886
15K → 20K145120+25#7886#7861
20K → Half1946-27#7861#7888
Half → 25K58392-334#7888#8222
25K → 30K130364-234#8222#8456
30K → 20M10292+10#8456#8446
20M → 21M59165-106#8446#8552
21M → 35K8334+49#8552#8503
35K → 23M118125-7#8503#8510
23M → 24M25368-343#8510#8853
24M → 40K8615-607#8853#9460
40K → 25.2M2770-43#9460#9503
25.2M → Finish8384-376#9503#9879
TOTALS10473226-2179

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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