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BOSTON MARATHON 2025

John Storrow

Bib: 7130•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Male)
#0 / 16105
Top 34%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:03
Rank: #3485
Start → 5K
20:03 | 6:27/mi
10K· 6.21 mi
40:20
Rank: #3708 (-223)
5K → 10K
20:17 | 6:32/mi
15K· 9.32 mi
1:00:55
Rank: #3928 (-220)
10K → 15K
20:35 | 6:38/mi
20K· 12.43 mi
1:23:08
Rank: #4904 (-976)
15K → 20K
22:13 | 7:09/mi
Half· 13.11 mi
1:28:11
Rank: #5237 (-333)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:45:46
Rank: #5789 (-552)
Half → 25K
17:35 | 7:15/mi
30K· 18.64 mi
2:09:03
Rank: #6134 (-345)
25K → 30K
23:17 | 7:30/mi
20M
2:19:43
Rank: #6294 (-160)
30K → 20M
10:40 | 7:51/mi
21M
2:27:53
Rank: #6334 (-40)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:33:38
Rank: #6399 (-65)
21M → 35K
5:45 | 7:41/mi
23M
2:43:27
Rank: #6450 (-51)
35K → 23M
9:49 | 7:50/mi
24M
2:51:00
Rank: #6468 (-18)
23M → 24M
7:33 | 7:33/mi
40K· 24.85 mi
2:57:26
Rank: #6424 (+44)
24M → 40K
6:26 | 7:31/mi
25.2M
3:00:09
Rank: #6390 (+34)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:07:11
Rank: #6272 (+118)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:11
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:39:00
Pace7:33 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:5320:036:2720:03
6:27
-
10K
6.21 mi10:47:1040:206:2920:17
6:32
+0:05
15K
9.32 mi11:07:451:00:556:3220:35
6:38
+0:06
20K
12.43 mi11:29:581:23:086:4122:13
7:09
+0:31
Half
13.11 mi11:35:011:28:116:445:03
7:24
+0:15
25K
15.53 mi11:52:361:45:466:4917:35
7:15
-0:09
30K
18.64 mi12:15:532:09:036:5523:17
7:30
+0:15
20M
20.00 mi12:26:332:19:436:5910:40
7:51
+0:21
21M
21.00 mi12:34:432:27:537:038:10
8:10
+0:19
35K
21.75 mi12:40:282:33:387:045:45
7:41
-0:29
23M
23.00 mi12:50:172:43:277:069:49
7:50
+0:09
24M
24.00 mi12:57:502:51:007:087:33
7:33
-0:17
40K
24.85 mi13:04:162:57:267:086:26
7:31
-0:02
25.2M
25.20 mi13:06:593:00:097:092:43
7:53
+0:22
Finish
26.22 mi13:14:013:07:117:097:02
6:54
-0:59

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

6:27 /mi

Average Pace

7:09 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:30:10

48% of race

Time at Steady Pace

1:05:39

35% of race

Time at Slower Pace

31:22

17% of race

Average Pace: 7:08 /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 mi10:26:5320:036:2720:03
6:27
#3485
10K
6.21 mi10:47:1040:206:2920:17
6:32
#3708
15K
9.32 mi11:07:451:00:556:3220:35
6:38
#3928
20K
12.43 mi11:29:581:23:086:4122:13
7:09
#4904
Half
13.11 mi11:35:011:28:116:445:03
7:24
#5237
25K
15.53 mi11:52:361:45:466:4917:35
7:15
#5789
30K
18.64 mi12:15:532:09:036:5523:17
7:30
#6134
20M
20.00 mi12:26:332:19:436:5910:40
7:51
#6294
21M
21.00 mi12:34:432:27:537:038:10
8:10
#6334
35K
21.75 mi12:40:282:33:387:045:45
7:41
#6399
23M
23.00 mi12:50:172:43:277:069:49
7:50
#6450
24M
24.00 mi12:57:502:51:007:087:33
7:33
#6468
40K
24.85 mi13:04:162:57:267:086:26
7:31
#6424
25.2M
25.20 mi13:06:593:00:097:092:43
7:53
#6390
Finish
26.22 mi13:14:013:07:117:097:02
6:54
#6272
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3485331233124448(Top 16%)4169(Top 26%)4169(Top 74%)
10K6.21 mi3.10 mi3708-2233514-2023514-2023929(Top 14%)3700(Top 23%)3700(Top 66%)
15K9.32 mi3.11 mi3928-2203703-1893703-1894448(Top 16%)4169(Top 26%)4169(Top 74%)
20K12.43 mi3.11 mi4904-9764571-8684571-8687811(Top 27%)6749(Top 42%)6749(Top 120%)
Half13.11 mi0.68 mi5237-3334852-2814852-28110784(Top 38%)8409(Top 52%)8409(Top 149%)
25K15.53 mi2.42 mi5789-5525294-4425294-4427978(Top 28%)6747(Top 42%)6747(Top 120%)
30K18.64 mi3.11 mi6134-3455534-2405534-2407691(Top 27%)6401(Top 40%)6401(Top 113%)
20M20.00 mi1.36 mi6294-1605656-1225656-1229334(Top 33%)7161(Top 44%)7161(Top 127%)
21M21.00 mi1.00 mi6334-405671-155671-158326(Top 29%)6426(Top 40%)6426(Top 114%)
35K21.75 mi0.75 mi6399-655701-305701-309887(Top 35%)7287(Top 45%)7287(Top 129%)
23M23.00 mi1.25 mi6450-515716-155716-158829(Top 31%)6617(Top 41%)6617(Top 117%)
24M24.00 mi1.00 mi6468-185705+115705+118011(Top 28%)6106(Top 38%)6106(Top 108%)
40K24.85 mi0.85 mi6424+445649+565649+566901(Top 24%)5356(Top 33%)5356(Top 95%)
25.2M25.20 mi0.35 mi6390+345616+335616+335242(Top 18%)4263(Top 26%)4263(Top 76%)
Finish26.22 mi1.02 mi6272+1185505+1115505+1115082(Top 18%)4170(Top 26%)4170(Top 74%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4448

Males

4169

M18-39

4169

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3929

Males

3700

M18-39

3700

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4448

Males

4169

M18-39

4169

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7811

Males

6749

M18-39

6749

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10784

Males

8409

M18-39

8409

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7978

Males

6747

M18-39

6747

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7691

Males

6401

M18-39

6401

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9334

Males

7161

M18-39

7161

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8326

Males

6426

M18-39

6426

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9887

Males

7287

M18-39

7287

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8829

Males

6617

M18-39

6617

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

8011

Males

6106

M18-39

6106

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6901

Males

5356

M18-39

5356

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

5242

Males

4263

M18-39

4263

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5082

Males

4170

M18-39

4170

Passing Analysis

Category:
Athletes Passed
702
Passed By
3489
Net Change
-2787
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3485
5K → 10K49272-223#3485#3708
10K → 15K40260-220#3708#3928
15K → 20K11987-976#3928#4904
20K → Half0333-333#4904#5237
Half → 25K27579-552#5237#5789
25K → 30K85430-345#5789#6134
30K → 20M45205-160#6134#6294
20M → 21M5090-40#6294#6334
21M → 35K2691-65#6334#6399
35K → 23M68119-51#6399#6450
23M → 24M5775-18#6450#6468
24M → 40K7733+44#6468#6424
40K → 25.2M406+34#6424#6390
25.2M → Finish1279+118#6390#6272
TOTALS7023489-2787
📊

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