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BOSTON MARATHON 2023

John Hieb

CA

Bib: 17167 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 48%
Division (M70-74)
#0 / 213
Top 1%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:36/mi
23:37
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:50/mi
47:56
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:01/mi
1:12:50
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:00/mi
1:37:40
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:42/mi
1:42:55
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:58/mi
2:02:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:05/mi
2:27:20
↑ 181↓ 1480.2%
138 ft elev
20M
7:52/mi
2:38:01
↑ 64↓ 500.2%
148 ft elev
21M
8:30/mi
2:46:31
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:49/mi
2:52:22
↑ 17↓ 861.7%
156 ft elev
23M
7:52/mi
3:02:13
↑ 23↓ 630.6%
116 ft elev
24M
7:50/mi
3:10:03
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:56/mi
3:16:50
↓ 200.3%
20 ft elev
25.2M
8:30/mi
3:19:46
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:44/mi
3:27:39
↑ 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
1:42:557:51 /mi⚡ faster
2nd Half
1:44:447:59 /mi+1.8%
Positive split — 1.8% 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
23:377:363.11 mi23:37
7:36
-
10K
47:567:433.10 mi24:19
7:50
+0:14
15K
1:12:507:493.11 mi24:54
8:01
+0:11
20K
1:37:407:523.11 mi24:50
8:00
-0:01
Half(13.11 mi)
1:42:557:510.68 mi5:15
7:42
-0:18
25K
2:02:147:522.42 mi19:19
7:58
+0:16
30K
2:27:207:543.11 mi25:06
8:05
+0:07
20M
2:38:017:541.36 mi10:41
7:52
-0:13
21M
2:46:317:561.00 mi8:30
8:30
+0:38
35K
2:52:227:560.75 mi5:51
7:49
-0:41
23M
3:02:137:551.25 mi9:51
7:52
+0:03
24M
3:10:037:551.00 mi7:50
7:50
-0:02
40K
3:16:507:550.85 mi6:47
7:56
+0:06
25.2M
3:19:467:560.35 mi2:56
8:30
+0:34
Finish(26.22 mi)
3:27:397:561.02 mi7:53
7:44
-0:46
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:36 /mi

Average Pace

7:56 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:16:13

94% of race

Time at Steady Pace

11:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi1054284248424144871009310093
10K3.10 mi11940-13989082-6589082-6581334596959695
15K3.11 mi12811-8719450-3689450-368144871009310093
20K3.11 mi12946-1359478-289478-281334195929592
Half(13.11 mi)0.68 mi12866+809447+319447+311179589808980
25K2.42 mi12768+989373+749373+741244290949094
30K3.11 mi12486+2829221+1529221+1521150285868586
20M1.36 mi12223+2639091+1309091+130930973697369
21M1.00 mi12091+1329013+789013+781048478537853
35K0.75 mi12031+608969+448969+441078180048004
23M1.25 mi11827+2048864+1058864+105886069036903
24M1.00 mi11736+918804+608804+601002674077407
40K0.85 mi11644+928741+638741+63958071277127
25.2M0.35 mi11591+538705+368705+36953770637063
Finish(26.22 mi)1.02 mi11496+958630+758630+751019873987398

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14487

Males

10093

M70-74

10093

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

13345

Males

9695

M70-74

9695

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14487

Males

10093

M70-74

10093

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13341

Males

9592

M70-74

9592

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

11795

Males

8980

M70-74

8980

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12442

Males

9094

M70-74

9094

25K→30K

15.5 - 18.6 mi

Top 43%
×9story building
+181ft-148ft

Overall

11502

Males

8586

M70-74

8586

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9309

Males

7369

M70-74

7369

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10484

Males

7853

M70-74

7853

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10781

Males

8004

M70-74

8004

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8860

Males

6903

M70-74

6903

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10026

Males

7407

M70-74

7407

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9580

Males

7127

M70-74

7127

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9537

Males

7063

M70-74

7063

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10198

Males

7398

M70-74

7398

Passing Analysis

Category:
Passed
1972
Passed By
2926
Net Change
-954
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10542
5K → 10K351433-1398#10542#11940
10K → 15K28899-871#11940#12811
15K → 20K151286-135#12811#12946
20K → Half9010+80#12946#12866
Half → 25K18385+98#12866#12768
25K → 30K35169+282#12768#12486
30K → 20M2729+263#12486#12223
20M → 21M15624+132#12223#12091
21M → 35K7717+60#12091#12031
35K → 23M21713+204#12031#11827
23M → 24M11524+91#11827#11736
24M → 40K11119+92#11736#11644
40K → 25.2M6310+53#11644#11591
25.2M → Finish12328+95#11591#11496
TOTALS19722926-954

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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