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BOSTON MARATHON 2025

Adam London

Bib: 28275•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
29:58
Rank: #24670
Start → 5K
29:58 | 9:39/mi
10K· 6.21 mi
1:00:06
Rank: #24666 (+4)
5K → 10K
30:08 | 9:42/mi
15K· 9.32 mi
1:30:49
Rank: #24690 (-24)
10K → 15K
30:43 | 9:53/mi
20K· 12.43 mi
2:02:26
Rank: #24651 (+39)
15K → 20K
31:37 | 10:11/mi
Half· 13.11 mi
2:09:13
Rank: #24646 (+5)
20K → Half
6:47 | 9:57/mi
25K· 15.53 mi
2:34:14
Rank: #24568 (+78)
Half → 25K
25:01 | 10:19/mi
30K· 18.64 mi
3:07:20
Rank: #24342 (+226)
25K → 30K
33:06 | 10:39/mi
20M
3:22:49
Rank: #24345 (-3)
30K → 20M
15:29 | 11:24/mi
21M
3:35:44
Rank: #24396 (-51)
20M → 21M
12:55 | 12:55/mi
35K· 21.75 mi
3:43:22
Rank: #24336 (+60)
21M → 35K
7:38 | 10:12/mi
23M
3:59:27
Rank: #24511 (-175)
35K → 23M
16:05 | 12:51/mi
24M
4:11:08
Rank: #24554 (-43)
23M → 24M
11:41 | 11:41/mi
40K· 24.85 mi
4:21:26
Rank: #24570 (-16)
24M → 40K
10:18 | 12:03/mi
25.2M
4:25:42
Rank: #24570
40K → 25.2M
4:16 | 12:22/mi
Finish· 26.22 mi
4:36:20
Rank: #24557 (+13)
25.2M → Finish
10:38 | 10:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:13
Pace9:51 /mi
2nd Half
Distance13.11 mi
Time2:27:07
Pace11:13 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:5929:589:3929:58
9:39
-
10K
6.21 mi12:19:071:00:069:4030:08
9:42
+0:03
15K
9.32 mi12:49:501:30:499:4530:43
9:53
+0:11
20K
12.43 mi13:21:272:02:269:5131:37
10:11
+0:18
Half
13.11 mi13:28:142:09:139:516:47
9:57
-0:14
25K
15.53 mi13:53:152:34:149:5625:01
10:19
+0:22
30K
18.64 mi14:26:213:07:2010:0333:06
10:39
+0:20
20M
20.00 mi14:41:503:22:4910:0815:29
11:24
+0:45
21M
21.00 mi14:54:453:35:4410:1612:55
12:55
+1:31
35K
21.75 mi15:02:233:43:2210:167:38
10:12
-2:43
23M
23.00 mi15:18:283:59:2710:2516:05
12:51
+2:39
24M
24.00 mi15:30:094:11:0810:2811:41
11:41
-1:10
40K
24.85 mi15:40:274:21:2610:3110:18
12:03
+0:22
25.2M
25.20 mi15:44:434:25:4210:334:16
12:22
+0:19
Finish
26.22 mi15:55:214:36:2010:3310:38
10:26
-1:56

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

9:39 /mi

Average Pace

10:33 /mi

Slowest Pace

12:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:06

22% of race

Time at Steady Pace

2:25:30

53% of race

Time at Slower Pace

1:10:44

26% of race

Average Pace: 10:32 /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 mi11:48:5929:589:3929:58
9:39
#24670
10K
6.21 mi12:19:071:00:069:4030:08
9:42
#24666
15K
9.32 mi12:49:501:30:499:4530:43
9:53
#24690
20K
12.43 mi13:21:272:02:269:5131:37
10:11
#24651
Half
13.11 mi13:28:142:09:139:516:47
9:57
#24646
25K
15.53 mi13:53:152:34:149:5625:01
10:19
#24568
30K
18.64 mi14:26:213:07:2010:0333:06
10:39
#24342
20M
20.00 mi14:41:503:22:4910:0815:29
11:24
#24345
21M
21.00 mi14:54:453:35:4410:1612:55
12:55
#24396
35K
21.75 mi15:02:233:43:2210:167:38
10:12
#24336
23M
23.00 mi15:18:283:59:2710:2516:05
12:51
#24511
24M
24.00 mi15:30:094:11:0810:2811:41
11:41
#24554
40K
24.85 mi15:40:274:21:2610:3110:18
12:03
#24570
25.2M
25.20 mi15:44:434:25:4210:334:16
12:22
#24570
Finish
26.22 mi15:55:214:36:2010:3310:38
10:26
#24557
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24670145621456224742(Top 87%)14597(Top 91%)14597(Top 259%)
10K6.21 mi3.10 mi24666+414560+214560+224608(Top 87%)14521(Top 90%)14521(Top 257%)
15K9.32 mi3.11 mi24690-2414570-1014570-1024742(Top 87%)14597(Top 91%)14597(Top 259%)
20K12.43 mi3.11 mi24651+3914543+2714543+2724588(Top 87%)14484(Top 90%)14484(Top 257%)
Half13.11 mi0.68 mi24646+514539+414539+424708(Top 87%)14531(Top 90%)14531(Top 258%)
25K15.53 mi2.42 mi24568+7814493+4614493+4623997(Top 84%)14199(Top 88%)14199(Top 252%)
30K18.64 mi3.11 mi24342+22614365+12814365+12823286(Top 82%)13742(Top 85%)13742(Top 244%)
20M20.00 mi1.36 mi24345-314349+1614349+1624359(Top 86%)14153(Top 88%)14153(Top 251%)
21M21.00 mi1.00 mi24396-5114354-514354-524943(Top 88%)14340(Top 89%)14340(Top 254%)
35K21.75 mi0.75 mi24336+6014320+3414320+3422443(Top 79%)13131(Top 82%)13131(Top 233%)
23M23.00 mi1.25 mi24511-17514381-6114381-6126209(Top 92%)14940(Top 93%)14940(Top 265%)
24M24.00 mi1.00 mi24554-4314386-514386-525215(Top 89%)14414(Top 90%)14414(Top 255%)
40K24.85 mi0.85 mi24570-1614389-314389-324997(Top 88%)14260(Top 89%)14260(Top 253%)
25.2M25.20 mi0.35 mi2457014385+414385+423945(Top 84%)13747(Top 85%)13747(Top 244%)
Finish26.22 mi1.02 mi24557+1314367+1814367+1824131(Top 85%)13836(Top 86%)13836(Top 245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

24742

Males

14597

M18-39

14597

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

24608

Males

14521

M18-39

14521

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

24742

Males

14597

M18-39

14597

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

24588

Males

14484

M18-39

14484

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24708

Males

14531

M18-39

14531

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23997

Males

14199

M18-39

14199

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

23286

Males

13742

M18-39

13742

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24359

Males

14153

M18-39

14153

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

24943

Males

14340

M18-39

14340

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22443

Males

13131

M18-39

13131

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

26209

Males

14940

M18-39

14940

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25215

Males

14414

M18-39

14414

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

24997

Males

14260

M18-39

14260

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23945

Males

13747

M18-39

13747

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

24131

Males

13836

M18-39

13836

Passing Analysis

Category:
Athletes Passed
1227
Passed By
1114
Net Change
+113
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24670
5K → 10K203199+4#24670#24666
10K → 15K132156-24#24666#24690
15K → 20K155116+39#24690#24651
20K → Half2924+5#24651#24646
Half → 25K13961+78#24646#24568
25K → 30K25731+226#24568#24342
30K → 20M6265-3#24342#24345
20M → 21M4697-51#24345#24396
21M → 35K688+60#24396#24336
35K → 23M26201-175#24336#24511
23M → 24M2972-43#24511#24554
24M → 40K2440-16#24554#24570
40K → 25.2M18180#24570#24570
25.2M → Finish3926+13#24570#24557
TOTALS12271114+113
📊

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