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BOSTON MARATHON 2025

Thomas Gaillard

Bib: 616•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:20
Rank: #281
Start → 5K
17:20 | 5:35/mi
10K· 6.21 mi
34:52
Rank: #303 (-22)
5K → 10K
17:32 | 5:39/mi
15K· 9.32 mi
52:39
Rank: #334 (-31)
10K → 15K
17:47 | 5:43/mi
20K· 12.43 mi
1:10:37
Rank: #353 (-19)
15K → 20K
17:58 | 5:47/mi
Half· 13.11 mi
1:14:32
Rank: #361 (-8)
20K → Half
3:55 | 5:44/mi
25K· 15.53 mi
1:28:36
Rank: #366 (-5)
Half → 25K
14:04 | 5:48/mi
30K· 18.64 mi
1:47:31
Rank: #391 (-25)
25K → 30K
18:55 | 6:05/mi
20M
1:56:01
Rank: #408 (-17)
30K → 20M
8:30 | 6:15/mi
21M
2:02:49
Rank: #429 (-21)
20M → 21M
6:48 | 6:48/mi
35K· 21.75 mi
2:07:25
Rank: #433 (-4)
21M → 35K
4:36 | 6:09/mi
23M
2:15:30
Rank: #448 (-15)
35K → 23M
8:05 | 6:27/mi
24M
2:21:54
Rank: #474 (-26)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:27:22
Rank: #483 (-9)
24M → 40K
5:28 | 6:24/mi
25.2M
2:29:49
Rank: #493 (-10)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:36:12
Rank: #517 (-24)
25.2M → Finish
6:23 | 6:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:32
Pace5:41 /mi
2nd Half
Distance13.11 mi
Time1:21:40
Pace6:14 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2817:205:3517:20
5:35
-
10K
6.21 mi10:35:0034:525:3717:32
5:39
+0:04
15K
9.32 mi10:52:4752:395:3917:47
5:43
+0:04
20K
12.43 mi11:10:451:10:375:4117:58
5:47
+0:04
Half
13.11 mi11:14:401:14:325:413:55
5:44
-0:03
25K
15.53 mi11:28:441:28:365:4214:04
5:48
+0:04
30K
18.64 mi11:47:391:47:315:4618:55
6:05
+0:17
20M
20.00 mi11:56:091:56:015:488:30
6:15
+0:10
21M
21.00 mi12:02:572:02:495:516:48
6:48
+0:33
35K
21.75 mi12:07:332:07:255:524:36
6:09
-0:39
23M
23.00 mi12:15:382:15:305:538:05
6:27
+0:18
24M
24.00 mi12:22:022:21:545:556:24
6:24
-0:03
40K
24.85 mi12:27:302:27:225:565:28
6:24
0:00
25.2M
25.20 mi12:29:572:29:495:572:27
7:06
+0:42
Finish
26.22 mi12:36:202:36:125:586:23
6:16
-0:50

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

5:35 /mi

Average Pace

5:58 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:36

57% of race

Time at Steady Pace

38:24

25% of race

Time at Slower Pace

29:12

19% of race

Average Pace: 5:57 /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 mi10:17:2817:205:3517:20
5:35
#281
10K
6.21 mi10:35:0034:525:3717:32
5:39
#303
15K
9.32 mi10:52:4752:395:3917:47
5:43
#334
20K
12.43 mi11:10:451:10:375:4117:58
5:47
#353
Half
13.11 mi11:14:401:14:325:413:55
5:44
#361
25K
15.53 mi11:28:441:28:365:4214:04
5:48
#366
30K
18.64 mi11:47:391:47:315:4618:55
6:05
#391
20M
20.00 mi11:56:091:56:015:488:30
6:15
#408
21M
21.00 mi12:02:572:02:495:516:48
6:48
#429
35K
21.75 mi12:07:332:07:255:524:36
6:09
#433
23M
23.00 mi12:15:382:15:305:538:05
6:27
#448
24M
24.00 mi12:22:022:21:545:556:24
6:24
#474
40K
24.85 mi12:27:302:27:225:565:28
6:24
#483
25.2M
25.20 mi12:29:572:29:495:572:27
7:06
#493
Finish
26.22 mi12:36:202:36:125:586:23
6:16
#517
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi281253253410(Top 1%)380(Top 2%)380(Top 7%)
10K6.21 mi3.10 mi303-22274-21274-21349(Top 1%)319(Top 2%)319(Top 6%)
15K9.32 mi3.11 mi334-31305-31305-31410(Top 1%)380(Top 2%)380(Top 7%)
20K12.43 mi3.11 mi353-19324-19324-19420(Top 1%)391(Top 2%)391(Top 7%)
Half13.11 mi0.68 mi361-8332-8332-8474(Top 2%)444(Top 3%)444(Top 8%)
25K15.53 mi2.42 mi366-5335-3335-3416(Top 1%)386(Top 2%)386(Top 7%)
30K18.64 mi3.11 mi391-25360-25360-25649(Top 2%)607(Top 4%)607(Top 11%)
20M20.00 mi1.36 mi408-17375-15375-15843(Top 3%)795(Top 5%)795(Top 14%)
21M21.00 mi1.00 mi429-21395-20395-201503(Top 5%)1414(Top 9%)1414(Top 25%)
35K21.75 mi0.75 mi433-4398-3398-31048(Top 4%)986(Top 6%)986(Top 17%)
23M23.00 mi1.25 mi448-15412-14412-141302(Top 5%)1223(Top 8%)1223(Top 22%)
24M24.00 mi1.00 mi474-26435-23435-231631(Top 6%)1518(Top 9%)1518(Top 27%)
40K24.85 mi0.85 mi483-9444-9444-91215(Top 4%)1128(Top 7%)1128(Top 20%)
25.2M25.20 mi0.35 mi493-10454-10454-101741(Top 6%)1580(Top 10%)1580(Top 28%)
Finish26.22 mi1.02 mi517-24477-23477-231727(Top 6%)1597(Top 10%)1597(Top 28%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

410

Males

380

M18-39

380

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

349

Males

319

M18-39

319

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

410

Males

380

M18-39

380

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

420

Males

391

M18-39

391

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

474

Males

444

M18-39

444

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

416

Males

386

M18-39

386

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

649

Males

607

M18-39

607

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

843

Males

795

M18-39

795

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1503

Males

1414

M18-39

1414

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1048

Males

986

M18-39

986

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1302

Males

1223

M18-39

1223

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1631

Males

1518

M18-39

1518

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1215

Males

1128

M18-39

1128

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1741

Males

1580

M18-39

1580

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1727

Males

1597

M18-39

1597

Passing Analysis

Category:
Athletes Passed
77
Passed By
313
Net Change
-236
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#281
5K → 10K729-22#281#303
10K → 15K536-31#303#334
15K → 20K1231-19#334#353
20K → Half08-8#353#361
Half → 25K1015-5#361#366
25K → 30K1136-25#366#391
30K → 20M522-17#391#408
20M → 21M425-21#408#429
21M → 35K37-4#429#433
35K → 23M520-15#433#448
23M → 24M228-26#448#474
24M → 40K615-9#474#483
40K → 25.2M414-10#483#493
25.2M → Finish327-24#493#517
TOTALS77313-236
📊

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