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BOSTON MARATHON 2025

Mark Stahl

Bib: 6273•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 19%
Division (M18-39)
#0 / 5642
Top 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #4809
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
41:12
Rank: #4742 (+67)
5K → 10K
20:37 | 6:38/mi
15K· 9.32 mi
1:01:31
Rank: #4402 (+340)
10K → 15K
20:19 | 6:32/mi
20K· 12.43 mi
1:21:49
Rank: #4034 (+368)
15K → 20K
20:18 | 6:32/mi
Half· 13.11 mi
1:26:15
Rank: #4014 (+20)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:16
Rank: #3896 (+118)
Half → 25K
16:01 | 6:36/mi
30K· 18.64 mi
2:03:22
Rank: #3753 (+143)
25K → 30K
21:06 | 6:47/mi
20M
2:12:49
Rank: #3711 (+42)
30K → 20M
9:27 | 6:57/mi
21M
2:20:04
Rank: #3668 (+43)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:25:06
Rank: #3649 (+19)
21M → 35K
5:02 | 6:44/mi
23M
2:33:55
Rank: #3626 (+23)
35K → 23M
8:49 | 7:03/mi
24M
2:40:40
Rank: #3560 (+66)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:46:34
Rank: #3527 (+33)
24M → 40K
5:54 | 6:54/mi
25.2M
2:49:02
Rank: #3463 (+64)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:55:21
Rank: #3328 (+135)
25.2M → Finish
6:19 | 6:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:15
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:29:06
Pace6:48 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2020:356:3820:35
6:38
-
10K
6.21 mi10:45:5741:126:3820:37
6:38
0:00
15K
9.32 mi11:06:161:01:316:3620:19
6:32
-0:06
20K
12.43 mi11:26:341:21:496:3520:18
6:32
0:00
Half
13.11 mi11:31:001:26:156:354:26
6:30
-0:02
25K
15.53 mi11:47:011:42:166:3516:01
6:36
+0:06
30K
18.64 mi12:08:072:03:226:3721:06
6:47
+0:11
20M
20.00 mi12:17:342:12:496:389:27
6:57
+0:10
21M
21.00 mi12:24:492:20:046:407:15
7:15
+0:18
35K
21.75 mi12:29:512:25:066:405:02
6:44
-0:31
23M
23.00 mi12:38:402:33:556:428:49
7:03
+0:19
24M
24.00 mi12:45:252:40:406:426:45
6:45
-0:18
40K
24.85 mi12:51:192:46:346:425:54
6:54
+0:09
25.2M
25.20 mi12:53:472:49:026:422:28
7:09
+0:15
Finish
26.22 mi13:00:062:55:216:426:19
6:12
-0:57

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

6:12 /mi

Average Pace

6:42 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:21:28

81% of race

Time at Steady Pace

33:53

19% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:25:2020:356:3820:35
6:38
#4809
10K
6.21 mi10:45:5741:126:3820:37
6:38
#4742
15K
9.32 mi11:06:161:01:316:3620:19
6:32
#4402
20K
12.43 mi11:26:341:21:496:3520:18
6:32
#4034
Half
13.11 mi11:31:001:26:156:354:26
6:30
#4014
25K
15.53 mi11:47:011:42:166:3516:01
6:36
#3896
30K
18.64 mi12:08:072:03:226:3721:06
6:47
#3753
20M
20.00 mi12:17:342:12:496:389:27
6:57
#3711
21M
21.00 mi12:24:492:20:046:407:15
7:15
#3668
35K
21.75 mi12:29:512:25:066:405:02
6:44
#3649
23M
23.00 mi12:38:402:33:556:428:49
7:03
#3626
24M
24.00 mi12:45:252:40:406:426:45
6:45
#3560
40K
24.85 mi12:51:192:46:346:425:54
6:54
#3527
25.2M
25.20 mi12:53:472:49:026:422:28
7:09
#3463
Finish
26.22 mi13:00:062:55:216:426:19
6:12
#3328
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4809450245023816(Top 13%)3601(Top 22%)3601(Top 64%)
10K6.21 mi3.10 mi4742+674439+634439+634750(Top 17%)4447(Top 28%)4447(Top 79%)
15K9.32 mi3.11 mi4402+3404139+3004139+3003816(Top 13%)3601(Top 22%)3601(Top 64%)
20K12.43 mi3.11 mi4034+3683799+3403799+3403318(Top 12%)3143(Top 20%)3143(Top 56%)
Half13.11 mi0.68 mi4014+203780+193780+193678(Top 13%)3478(Top 22%)3478(Top 62%)
25K15.53 mi2.42 mi3896+1183672+1083672+1083508(Top 12%)3308(Top 21%)3308(Top 59%)
30K18.64 mi3.11 mi3753+1433539+1333539+1333398(Top 12%)3170(Top 20%)3170(Top 56%)
20M20.00 mi1.36 mi3711+423496+433496+433834(Top 13%)3527(Top 22%)3527(Top 63%)
21M21.00 mi1.00 mi3668+433451+453451+453388(Top 12%)3110(Top 19%)3110(Top 55%)
35K21.75 mi0.75 mi3649+193431+203431+203693(Top 13%)3340(Top 21%)3340(Top 59%)
23M23.00 mi1.25 mi3626+233405+263405+264018(Top 14%)3588(Top 22%)3588(Top 64%)
24M24.00 mi1.00 mi3560+663340+653340+653245(Top 11%)2925(Top 18%)2925(Top 52%)
40K24.85 mi0.85 mi3527+333302+383302+383365(Top 12%)3007(Top 19%)3007(Top 53%)
25.2M25.20 mi0.35 mi3463+643242+603242+602012(Top 7%)1825(Top 11%)1825(Top 32%)
Finish26.22 mi1.02 mi3328+1353117+1253117+1251529(Top 5%)1423(Top 9%)1423(Top 25%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21stories
+97ft-345ft

Overall

3816

Males

3601

M18-39

3601

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4750

Males

4447

M18-39

4447

10K→15K

6.2 - 9.3 mi

Top 13%
×3stories
+67ft-78ft

Overall

3816

Males

3601

M18-39

3601

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3318

Males

3143

M18-39

3143

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3678

Males

3478

M18-39

3478

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3508

Males

3308

M18-39

3308

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3398

Males

3170

M18-39

3170

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3834

Males

3527

M18-39

3527

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3388

Males

3110

M18-39

3110

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3693

Males

3340

M18-39

3340

35K→23M

21.8 - 23.0 mi

Top 14%
×5stories
+23ft-63ft

Overall

4018

Males

3588

M18-39

3588

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3245

Males

2925

M18-39

2925

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3365

Males

3007

M18-39

3007

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2012

Males

1825

M18-39

1825

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1529

Males

1423

M18-39

1423

Passing Analysis

Category:
Athletes Passed
1875
Passed By
394
Net Change
+1481
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4809
5K → 10K198131+67#4809#4742
10K → 15K3477+340#4742#4402
15K → 20K3724+368#4402#4034
20K → Half288+20#4034#4014
Half → 25K14022+118#4014#3896
25K → 30K18340+143#3896#3753
30K → 20M7533+42#3753#3711
20M → 21M6724+43#3711#3668
21M → 35K3920+19#3668#3649
35K → 23M7451+23#3649#3626
23M → 24M8519+66#3626#3560
24M → 40K6431+33#3560#3527
40K → 25.2M662+64#3527#3463
25.2M → Finish1372+135#3463#3328
TOTALS1875394+1481
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing