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BOSTON MARATHON 2025

Harrison Thomas

Bib: 702•M

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:22
Rank: #292
Start → 5K
17:22 | 5:35/mi
10K· 6.21 mi
34:56
Rank: #318 (-26)
5K → 10K
17:34 | 5:39/mi
15K· 9.32 mi
52:39
Rank: #335 (-17)
10K → 15K
17:43 | 5:42/mi
20K· 12.43 mi
1:10:29
Rank: #340 (-5)
15K → 20K
17:50 | 5:44/mi
Half· 13.11 mi
1:14:24
Rank: #347 (-7)
20K → Half
3:55 | 5:44/mi
25K· 15.53 mi
1:28:29
Rank: #352 (-5)
Half → 25K
14:05 | 5:49/mi
30K· 18.64 mi
1:47:22
Rank: #376 (-24)
25K → 30K
18:53 | 6:05/mi
20M
1:56:04
Rank: #414 (-38)
30K → 20M
8:42 | 6:24/mi
21M
2:03:07
Rank: #441 (-27)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:07:50
Rank: #461 (-20)
21M → 35K
4:43 | 6:18/mi
23M
2:16:18
Rank: #516 (-55)
35K → 23M
8:28 | 6:46/mi
24M
2:23:11
Rank: #568 (-52)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
2:29:35
Rank: #650 (-82)
24M → 40K
6:24 | 7:29/mi
25.2M
2:32:14
Rank: #667 (-17)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:38:59
Rank: #711 (-44)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:24
Pace5:41 /mi
2nd Half
Distance13.11 mi
Time1:24:35
Pace6:27 /mi
📊Positive Split: 13.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:3317:225:3517:22
5:35
-
10K
6.21 mi10:35:0734:565:3717:34
5:39
+0:04
15K
9.32 mi10:52:5052:395:3917:43
5:42
+0:03
20K
12.43 mi11:10:401:10:295:4017:50
5:44
+0:02
Half
13.11 mi11:14:351:14:245:413:55
5:44
0:00
25K
15.53 mi11:28:401:28:295:4214:05
5:49
+0:05
30K
18.64 mi11:47:331:47:225:4618:53
6:05
+0:16
20M
20.00 mi11:56:151:56:045:488:42
6:24
+0:19
21M
21.00 mi12:03:182:03:075:527:03
7:03
+0:39
35K
21.75 mi12:08:012:07:505:534:43
6:18
-0:45
23M
23.00 mi12:16:292:16:185:568:28
6:46
+0:28
24M
24.00 mi12:23:222:23:115:586:53
6:53
+0:07
40K
24.85 mi12:29:462:29:356:016:24
7:29
+0:36
25.2M
25.20 mi12:32:252:32:146:022:39
7:41
+0:12
Finish
26.22 mi12:39:102:38:596:046:45
6:37
-1:04

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

6:04 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:29

56% of race

Time at Steady Pace

39:03

25% of race

Time at Slower Pace

31:27

20% of race

Average Pace: 6:04 /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 mi10:17:3317:225:3517:22
5:35
#292
10K
6.21 mi10:35:0734:565:3717:34
5:39
#318
15K
9.32 mi10:52:5052:395:3917:43
5:42
#335
20K
12.43 mi11:10:401:10:295:4017:50
5:44
#340
Half
13.11 mi11:14:351:14:245:413:55
5:44
#347
25K
15.53 mi11:28:401:28:295:4214:05
5:49
#352
30K
18.64 mi11:47:331:47:225:4618:53
6:05
#376
20M
20.00 mi11:56:151:56:045:488:42
6:24
#414
21M
21.00 mi12:03:182:03:075:527:03
7:03
#441
35K
21.75 mi12:08:012:07:505:534:43
6:18
#461
23M
23.00 mi12:16:292:16:185:568:28
6:46
#516
24M
24.00 mi12:23:222:23:115:586:53
6:53
#568
40K
24.85 mi12:29:462:29:356:016:24
7:29
#650
25.2M
25.20 mi12:32:252:32:146:022:39
7:41
#667
Finish
26.22 mi12:39:102:38:596:046:45
6:37
#711
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi292264264390(Top 1%)360(Top 2%)360(Top 6%)
10K6.21 mi3.10 mi318-26289-25289-25365(Top 1%)335(Top 2%)335(Top 6%)
15K9.32 mi3.11 mi335-17306-17306-17390(Top 1%)360(Top 2%)360(Top 6%)
20K12.43 mi3.11 mi340-5311-5311-5370(Top 1%)341(Top 2%)341(Top 6%)
Half13.11 mi0.68 mi347-7318-7318-7480(Top 2%)450(Top 3%)450(Top 8%)
25K15.53 mi2.42 mi352-5323-5323-5431(Top 2%)400(Top 2%)400(Top 7%)
30K18.64 mi3.11 mi376-24345-22345-22635(Top 2%)593(Top 4%)593(Top 11%)
20M20.00 mi1.36 mi414-38381-36381-361235(Top 4%)1166(Top 7%)1166(Top 21%)
21M21.00 mi1.00 mi441-27406-25406-252420(Top 9%)2256(Top 14%)2256(Top 40%)
35K21.75 mi0.75 mi461-20425-19425-191582(Top 6%)1482(Top 9%)1482(Top 26%)
23M23.00 mi1.25 mi516-55474-49474-492495(Top 9%)2306(Top 14%)2306(Top 41%)
24M24.00 mi1.00 mi568-52523-49523-493947(Top 14%)3486(Top 22%)3486(Top 62%)
40K24.85 mi0.85 mi650-82602-79602-796663(Top 23%)5220(Top 32%)5220(Top 93%)
25.2M25.20 mi0.35 mi667-17618-16618-164158(Top 15%)3514(Top 22%)3514(Top 62%)
Finish26.22 mi1.02 mi711-44662-44662-443414(Top 12%)2983(Top 19%)2983(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

390

Males

360

M18-39

360

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

365

Males

335

M18-39

335

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

390

Males

360

M18-39

360

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

370

Males

341

M18-39

341

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

480

Males

450

M18-39

450

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

431

Males

400

M18-39

400

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

635

Males

593

M18-39

593

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1235

Males

1166

M18-39

1166

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2420

Males

2256

M18-39

2256

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1582

Males

1482

M18-39

1482

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2495

Males

2306

M18-39

2306

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3947

Males

3486

M18-39

3486

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6663

Males

5220

M18-39

5220

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4158

Males

3514

M18-39

3514

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3414

Males

2983

M18-39

2983

Passing Analysis

Category:
Athletes Passed
66
Passed By
485
Net Change
-419
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#292
5K → 10K632-26#292#318
10K → 15K1027-17#318#335
15K → 20K1520-5#335#340
20K → Half18-7#340#347
Half → 25K1015-5#347#352
25K → 30K731-24#352#376
30K → 20M240-38#376#414
20M → 21M330-27#414#441
21M → 35K020-20#441#461
35K → 23M459-55#461#516
23M → 24M355-52#516#568
24M → 40K284-82#568#650
40K → 25.2M017-17#650#667
25.2M → Finish347-44#667#711
TOTALS66485-419
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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