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BOSTON MARATHON 2025

John Walker

Bib: 27802•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 33%
Gender (Male)
#0 / 16105
Top 46%
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
21:23
Rank: #6939
Start → 5K
21:23 | 6:53/mi
10K· 6.21 mi
42:21
Rank: #6460 (+479)
5K → 10K
20:58 | 6:45/mi
15K· 9.32 mi
1:03:31
Rank: #6348 (+112)
10K → 15K
21:10 | 6:49/mi
20K· 12.43 mi
1:25:08
Rank: #6412 (-64)
15K → 20K
21:37 | 6:57/mi
Half· 13.11 mi
1:29:50
Rank: #6438 (-26)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:47:21
Rank: #6652 (-214)
Half → 25K
17:31 | 7:13/mi
30K· 18.64 mi
2:11:50
Rank: #7165 (-513)
25K → 30K
24:29 | 7:53/mi
20M
2:23:35
Rank: #7601 (-436)
30K → 20M
11:45 | 8:39/mi
21M
2:33:07
Rank: #8055 (-454)
20M → 21M
9:32 | 9:32/mi
35K· 21.75 mi
2:39:21
Rank: #8281 (-226)
21M → 35K
6:14 | 8:20/mi
23M
2:50:41
Rank: #8818 (-537)
35K → 23M
11:20 | 9:03/mi
24M
2:59:12
Rank: #9089 (-271)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:06:39
Rank: #9322 (-233)
24M → 40K
7:27 | 8:43/mi
25.2M
3:09:52
Rank: #9388 (-66)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:17:57
Rank: #9496 (-108)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:50
Pace6:51 /mi
2nd Half
Distance13.11 mi
Time1:48:07
Pace8:15 /mi
📊Positive Split: 20.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:38:0821:236:5321:23
6:53
-
10K
6.21 mi11:59:0642:216:4920:58
6:45
-0:08
15K
9.32 mi12:20:161:03:316:4921:10
6:49
+0:04
20K
12.43 mi12:41:531:25:086:5121:37
6:57
+0:08
Half
13.11 mi12:46:351:29:506:514:42
6:53
-0:04
25K
15.53 mi13:04:061:47:216:5517:31
7:13
+0:20
30K
18.64 mi13:28:352:11:507:0424:29
7:53
+0:40
20M
20.00 mi13:40:202:23:357:1111:45
8:39
+0:46
21M
21.00 mi13:49:522:33:077:179:32
9:32
+0:53
35K
21.75 mi13:56:062:39:217:206:14
8:20
-1:12
23M
23.00 mi14:07:262:50:417:2511:20
9:03
+0:43
24M
24.00 mi14:15:572:59:127:288:31
8:31
-0:32
40K
24.85 mi14:23:243:06:397:317:27
8:43
+0:12
25.2M
25.20 mi14:26:373:09:527:323:13
9:20
+0:37
Finish
26.22 mi14:34:423:17:577:338:05
7:56
-1:24

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

6:45 /mi

Average Pace

7:33 /mi

Slowest Pace

9:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:21

54% of race

Time at Steady Pace

38:48

20% of race

Time at Slower Pace

51:48

26% of race

Average Pace: 7:33 /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 mi11:38:0821:236:5321:23
6:53
#6939
10K
6.21 mi11:59:0642:216:4920:58
6:45
#6460
15K
9.32 mi12:20:161:03:316:4921:10
6:49
#6348
20K
12.43 mi12:41:531:25:086:5121:37
6:57
#6412
Half
13.11 mi12:46:351:29:506:514:42
6:53
#6438
25K
15.53 mi13:04:061:47:216:5517:31
7:13
#6652
30K
18.64 mi13:28:352:11:507:0424:29
7:53
#7165
20M
20.00 mi13:40:202:23:357:1111:45
8:39
#7601
21M
21.00 mi13:49:522:33:077:179:32
9:32
#8055
35K
21.75 mi13:56:062:39:217:206:14
8:20
#8281
23M
23.00 mi14:07:262:50:417:2511:20
9:03
#8818
24M
24.00 mi14:15:572:59:127:288:31
8:31
#9089
40K
24.85 mi14:23:243:06:397:317:27
8:43
#9322
25.2M
25.20 mi14:26:373:09:527:323:13
9:20
#9388
Finish
26.22 mi14:34:423:17:577:338:05
7:56
#9496
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6939625962596215(Top 22%)5636(Top 35%)5636(Top 100%)
10K6.21 mi3.10 mi6460+4795888+3715888+3715840(Top 21%)5348(Top 33%)5348(Top 95%)
15K9.32 mi3.11 mi6348+1125786+1025786+1026215(Top 22%)5636(Top 35%)5636(Top 100%)
20K12.43 mi3.11 mi6412-645808-225808-226633(Top 23%)5931(Top 37%)5931(Top 105%)
Half13.11 mi0.68 mi6438-265830-225830-226847(Top 24%)6112(Top 38%)6112(Top 108%)
25K15.53 mi2.42 mi6652-2145989-1595989-1597783(Top 27%)6630(Top 41%)6630(Top 118%)
30K18.64 mi3.11 mi7165-5136323-3346323-33410482(Top 37%)7918(Top 49%)7918(Top 140%)
20M20.00 mi1.36 mi7601-4366591-2686591-26814681(Top 52%)9766(Top 61%)9766(Top 173%)
21M21.00 mi1.00 mi8055-4546836-2456836-24516194(Top 57%)10329(Top 64%)10329(Top 183%)
35K21.75 mi0.75 mi8281-2266960-1246960-12414408(Top 51%)9440(Top 59%)9440(Top 167%)
23M23.00 mi1.25 mi8818-5377236-2767236-27616524(Top 58%)10292(Top 64%)10292(Top 182%)
24M24.00 mi1.00 mi9089-2717357-1217357-12114574(Top 51%)9387(Top 58%)9387(Top 166%)
40K24.85 mi0.85 mi9322-2337444-877444-8714658(Top 52%)9276(Top 58%)9276(Top 164%)
25.2M25.20 mi0.35 mi9388-667464-207464-2013512(Top 48%)8682(Top 54%)8682(Top 154%)
Finish26.22 mi1.02 mi9496-1087479-157479-1512384(Top 44%)8217(Top 51%)8217(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 22%
×21stories
+97ft-345ft

Overall

6215

Males

5636

M18-39

5636

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5840

Males

5348

M18-39

5348

10K→15K

6.2 - 9.3 mi

Top 22%
×3stories
+67ft-78ft

Overall

6215

Males

5636

M18-39

5636

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6633

Males

5931

M18-39

5931

20K→Half

12.4 - 13.1 mi

Top 24%
×2stories
+19ft-37ft

Overall

6847

Males

6112

M18-39

6112

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7783

Males

6630

M18-39

6630

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10482

Males

7918

M18-39

7918

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

14681

Males

9766

M18-39

9766

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

16194

Males

10329

M18-39

10329

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

14408

Males

9440

M18-39

9440

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16524

Males

10292

M18-39

10292

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

14574

Males

9387

M18-39

9387

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14658

Males

9276

M18-39

9276

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13512

Males

8682

M18-39

8682

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12384

Males

8217

M18-39

8217

Passing Analysis

Category:
Athletes Passed
1205
Passed By
3762
Net Change
-2557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6939
5K → 10K51132+479#6939#6460
10K → 15K19987+112#6460#6348
15K → 20K116180-64#6348#6412
20K → Half1642-26#6412#6438
Half → 25K74288-214#6438#6652
25K → 30K66579-513#6652#7165
30K → 20M24460-436#7165#7601
20M → 21M23477-454#7601#8055
21M → 35K19245-226#8055#8281
35K → 23M34571-537#8281#8818
23M → 24M20291-271#8818#9089
24M → 40K38271-233#9089#9322
40K → 25.2M2086-66#9322#9388
25.2M → Finish45153-108#9388#9496
TOTALS12053762-2557
📊

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