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BOSTON MARATHON 2025

Ben Thomas

Bib: 3457•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:02
Rank: #1510
Start → 5K
19:02 | 6:08/mi
10K· 6.21 mi
38:10
Rank: #1601 (-91)
5K → 10K
19:08 | 6:10/mi
15K· 9.32 mi
57:22
Rank: #1629 (-28)
10K → 15K
19:12 | 6:11/mi
20K· 12.43 mi
1:16:54
Rank: #1712 (-83)
15K → 20K
19:32 | 6:17/mi
Half· 13.11 mi
1:21:10
Rank: #1729 (-17)
20K → Half
4:16 | 6:15/mi
25K· 15.53 mi
1:36:33
Rank: #1769 (-40)
Half → 25K
15:23 | 6:21/mi
30K· 18.64 mi
1:57:01
Rank: #1840 (-71)
25K → 30K
20:28 | 6:35/mi
20M
2:06:14
Rank: #1889 (-49)
30K → 20M
9:13 | 6:47/mi
21M
2:13:39
Rank: #1978 (-89)
20M → 21M
7:25 | 7:25/mi
35K· 21.75 mi
2:18:49
Rank: #2049 (-71)
21M → 35K
5:10 | 6:54/mi
23M
2:27:41
Rank: #2130 (-81)
35K → 23M
8:52 | 7:05/mi
24M
2:34:31
Rank: #2153 (-23)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:40:42
Rank: #2233 (-80)
24M → 40K
6:11 | 7:14/mi
25.2M
2:43:27
Rank: #2278 (-45)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
2:50:36
Rank: #2374 (-96)
25.2M → Finish
7:09 | 7:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:10
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:29:26
Pace6:49 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0119:026:0819:02
6:08
-
10K
6.21 mi10:40:0938:106:0919:08
6:10
+0:02
15K
9.32 mi10:59:2157:226:0919:12
6:11
+0:01
20K
12.43 mi11:18:531:16:546:1119:32
6:17
+0:06
Half
13.11 mi11:23:091:21:106:114:16
6:15
-0:02
25K
15.53 mi11:38:321:36:336:1315:23
6:21
+0:06
30K
18.64 mi11:59:001:57:016:1720:28
6:35
+0:14
20M
20.00 mi12:08:132:06:146:199:13
6:47
+0:12
21M
21.00 mi12:15:382:13:396:227:25
7:25
+0:38
35K
21.75 mi12:20:482:18:496:235:10
6:54
-0:31
23M
23.00 mi12:29:402:27:416:258:52
7:05
+0:11
24M
24.00 mi12:36:302:34:316:266:50
6:50
-0:15
40K
24.85 mi12:42:412:40:426:286:11
7:14
+0:24
25.2M
25.20 mi12:45:262:43:276:292:45
7:58
+0:44
Finish
26.22 mi12:52:352:50:366:317:09
7:01
-0:57

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

6:08 /mi

Average Pace

6:31 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:33

57% of race

Time at Steady Pace

48:50

29% of race

Time at Slower Pace

25:13

15% of race

Average Pace: 6:30 /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 mi10:21:0119:026:0819:02
6:08
#1510
10K
6.21 mi10:40:0938:106:0919:08
6:10
#1601
15K
9.32 mi10:59:2157:226:0919:12
6:11
#1629
20K
12.43 mi11:18:531:16:546:1119:32
6:17
#1712
Half
13.11 mi11:23:091:21:106:114:16
6:15
#1729
25K
15.53 mi11:38:321:36:336:1315:23
6:21
#1769
30K
18.64 mi11:59:001:57:016:1720:28
6:35
#1840
20M
20.00 mi12:08:132:06:146:199:13
6:47
#1889
21M
21.00 mi12:15:382:13:396:227:25
7:25
#1978
35K
21.75 mi12:20:482:18:496:235:10
6:54
#2049
23M
23.00 mi12:29:402:27:416:258:52
7:05
#2130
24M
24.00 mi12:36:302:34:316:266:50
6:50
#2153
40K
24.85 mi12:42:412:40:426:286:11
7:14
#2233
25.2M
25.20 mi12:45:262:43:276:292:45
7:58
#2278
Finish
26.22 mi12:52:352:50:366:317:09
7:01
#2374
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1510144014401751(Top 6%)1664(Top 10%)1664(Top 29%)
10K6.21 mi3.10 mi1601-911523-831523-831711(Top 6%)1628(Top 10%)1628(Top 29%)
15K9.32 mi3.11 mi1629-281550-271550-271751(Top 6%)1664(Top 10%)1664(Top 29%)
20K12.43 mi3.11 mi1712-831627-771627-771950(Top 7%)1857(Top 12%)1857(Top 33%)
Half13.11 mi0.68 mi1729-171643-161643-162238(Top 8%)2139(Top 13%)2139(Top 38%)
25K15.53 mi2.42 mi1769-401681-381681-382077(Top 7%)1978(Top 12%)1978(Top 35%)
30K18.64 mi3.11 mi1840-711751-701751-702358(Top 8%)2235(Top 14%)2235(Top 40%)
20M20.00 mi1.36 mi1889-491797-461797-462814(Top 10%)2630(Top 16%)2630(Top 47%)
21M21.00 mi1.00 mi1978-891882-851882-854153(Top 15%)3732(Top 23%)3732(Top 66%)
35K21.75 mi0.75 mi2049-711948-661948-664707(Top 17%)4150(Top 26%)4150(Top 74%)
23M23.00 mi1.25 mi2130-812027-792027-794204(Top 15%)3733(Top 23%)3733(Top 66%)
24M24.00 mi1.00 mi2153-232047-202047-203664(Top 13%)3260(Top 20%)3260(Top 58%)
40K24.85 mi0.85 mi2233-802123-762123-765169(Top 18%)4310(Top 27%)4310(Top 76%)
25.2M25.20 mi0.35 mi2278-452165-422165-425706(Top 20%)4531(Top 28%)4531(Top 80%)
Finish26.22 mi1.02 mi2374-962250-852250-855792(Top 20%)4589(Top 28%)4589(Top 81%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1751

Males

1664

M18-39

1664

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1711

Males

1628

M18-39

1628

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1751

Males

1664

M18-39

1664

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1950

Males

1857

M18-39

1857

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2238

Males

2139

M18-39

2139

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

2077

Males

1978

M18-39

1978

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2358

Males

2235

M18-39

2235

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2814

Males

2630

M18-39

2630

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4153

Males

3732

M18-39

3732

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4707

Males

4150

M18-39

4150

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4204

Males

3733

M18-39

3733

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3664

Males

3260

M18-39

3260

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5169

Males

4310

M18-39

4310

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5706

Males

4531

M18-39

4531

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5792

Males

4589

M18-39

4589

Passing Analysis

Category:
Athletes Passed
346
Passed By
1210
Net Change
-864
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1510
5K → 10K39130-91#1510#1601
10K → 15K4573-28#1601#1629
15K → 20K28111-83#1629#1712
20K → Half320-17#1712#1729
Half → 25K3878-40#1729#1769
25K → 30K57128-71#1769#1840
30K → 20M1867-49#1840#1889
20M → 21M17106-89#1889#1978
21M → 35K1687-71#1978#2049
35K → 23M23104-81#2049#2130
23M → 24M3053-23#2130#2153
24M → 40K1898-80#2153#2233
40K → 25.2M752-45#2233#2278
25.2M → Finish7103-96#2278#2374
TOTALS3461210-864
📊

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