Boston Marathon logo
BOSTON MARATHON 2025

Anthony Mai

Bib: 3916•M

IL

0:00
0:00
/ mi
Be the first to cheer!
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
30:30
Rank: #25133
Start → 5K
30:30 | 9:49/mi
10K· 6.21 mi
1:04:19
Rank: #26200 (-1067)
5K → 10K
33:49 | 10:53/mi
15K· 9.32 mi
1:39:06
Rank: #26506 (-306)
10K → 15K
34:47 | 11:12/mi
20K· 12.43 mi
2:15:22
Rank: #26624 (-118)
15K → 20K
36:16 | 11:40/mi
Half· 13.11 mi
2:23:14
Rank: #26660 (-36)
20K → Half
7:52 | 11:32/mi
25K· 15.53 mi
2:52:29
Rank: #26649 (+11)
Half → 25K
29:15 | 12:04/mi
30K· 18.64 mi
3:35:32
Rank: #26858 (-209)
25K → 30K
43:03 | 13:51/mi
20M
3:55:04
Rank: #26951 (-93)
30K → 20M
19:32 | 14:22/mi
21M
4:10:51
Rank: #27020 (-69)
20M → 21M
15:47 | 15:47/mi
35K· 21.75 mi
4:21:50
Rank: #27073 (-53)
21M → 35K
10:59 | 14:41/mi
23M
4:41:12
Rank: #27176 (-103)
35K → 23M
19:22 | 15:28/mi
24M
4:55:37
Rank: #27231 (-55)
23M → 24M
14:25 | 14:25/mi
40K· 24.85 mi
5:07:15
Rank: #27233 (-2)
24M → 40K
11:38 | 13:36/mi
25.2M
5:12:30
Rank: #27249 (-16)
40K → 25.2M
5:15 | 15:13/mi
Finish· 26.22 mi
5:25:33
Rank: #27271 (-22)
25.2M → Finish
13:03 | 12:48/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:14
Pace10:56 /mi
2nd Half
Distance13.11 mi
Time3:02:19
Pace13:54 /mi
📊Positive Split: 27.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:32:5130:309:4930:30
9:49
-
10K
6.21 mi11:06:401:04:1910:2133:49
10:53
+1:04
15K
9.32 mi11:41:271:39:0610:3834:47
11:12
+0:19
20K
12.43 mi12:17:432:15:2210:5436:16
11:40
+0:28
Half
13.11 mi12:25:352:23:1410:567:52
11:32
-0:08
25K
15.53 mi12:54:502:52:2911:0629:15
12:04
+0:32
30K
18.64 mi13:37:533:35:3211:3443:03
13:51
+1:47
20M
20.00 mi13:57:253:55:0411:4519:32
14:22
+0:31
21M
21.00 mi14:13:124:10:5111:5715:47
15:47
+1:25
35K
21.75 mi14:24:114:21:5012:0210:59
14:41
-1:06
23M
23.00 mi14:43:334:41:1212:1419:22
15:28
+0:47
24M
24.00 mi14:57:584:55:3712:1914:25
14:25
-1:03
40K
24.85 mi15:09:365:07:1512:2211:38
13:36
-0:49
25.2M
25.20 mi15:14:515:12:3012:245:15
15:13
+1:37
Finish
26.22 mi15:27:545:25:3312:2613:03
12:48
-2:25

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

9:49 /mi

Average Pace

12:26 /mi

Slowest Pace

15:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:29

53% of race

Time at Steady Pace

1:41:41

31% of race

Time at Slower Pace

51:23

16% of race

Average Pace: 12:25 /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 mi10:32:5130:309:4930:30
9:49
#25133
10K
6.21 mi11:06:401:04:1910:2133:49
10:53
#26200
15K
9.32 mi11:41:271:39:0610:3834:47
11:12
#26506
20K
12.43 mi12:17:432:15:2210:5436:16
11:40
#26624
Half
13.11 mi12:25:352:23:1410:567:52
11:32
#26660
25K
15.53 mi12:54:502:52:2911:0629:15
12:04
#26649
30K
18.64 mi13:37:533:35:3211:3443:03
13:51
#26858
20M
20.00 mi13:57:253:55:0411:4519:32
14:22
#26951
21M
21.00 mi14:13:124:10:5111:5715:47
15:47
#27020
35K
21.75 mi14:24:114:21:5012:0210:59
14:41
#27073
23M
23.00 mi14:43:334:41:1212:1419:22
15:28
#27176
24M
24.00 mi14:57:584:55:3712:1914:25
14:25
#27231
40K
24.85 mi15:09:365:07:1512:2211:38
13:36
#27233
25.2M
25.20 mi15:14:515:12:3012:245:15
15:13
#27249
Finish
26.22 mi15:27:545:25:3312:2613:03
12:48
#27271
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25133147921479226922(Top 95%)15522(Top 96%)15522(Top 275%)
10K6.21 mi3.10 mi26200-106715255-46315255-46326904(Top 95%)15528(Top 96%)15528(Top 275%)
15K9.32 mi3.11 mi26506-30615382-12715382-12726922(Top 95%)15522(Top 96%)15522(Top 275%)
20K12.43 mi3.11 mi26624-11815421-3915421-3926814(Top 94%)15467(Top 96%)15467(Top 274%)
Half13.11 mi0.68 mi26660-3615436-1515436-1527091(Top 95%)15557(Top 97%)15557(Top 276%)
25K15.53 mi2.42 mi26649+1115414+2215414+2226499(Top 93%)15295(Top 95%)15295(Top 271%)
30K18.64 mi3.11 mi26858-20915474-6015474-6027400(Top 96%)15614(Top 97%)15614(Top 277%)
20M20.00 mi1.36 mi26951-9315509-3515509-3527562(Top 97%)15642(Top 97%)15642(Top 277%)
21M21.00 mi1.00 mi27020-6915530-2115530-2127701(Top 98%)15723(Top 98%)15723(Top 279%)
35K21.75 mi0.75 mi27073-5315544-1415544-1427987(Top 99%)15843(Top 98%)15843(Top 281%)
23M23.00 mi1.25 mi27176-10315576-3215576-3228053(Top 99%)15874(Top 99%)15874(Top 281%)
24M24.00 mi1.00 mi27231-5515591-1515591-1527838(Top 98%)15729(Top 98%)15729(Top 279%)
40K24.85 mi0.85 mi27233-215588+315588+326862(Top 95%)15214(Top 94%)15214(Top 270%)
25.2M25.20 mi0.35 mi27249-1615592-415592-427279(Top 96%)15423(Top 96%)15423(Top 273%)
Finish26.22 mi1.02 mi27271-2215596-415596-427508(Top 97%)15569(Top 97%)15569(Top 276%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

26922

Males

15522

M18-39

15522

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

26904

Males

15528

M18-39

15528

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

26922

Males

15522

M18-39

15522

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

26814

Males

15467

M18-39

15467

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

27091

Males

15557

M18-39

15557

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

26499

Males

15295

M18-39

15295

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

27400

Males

15614

M18-39

15614

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

27562

Males

15642

M18-39

15642

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27701

Males

15723

M18-39

15723

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

27987

Males

15843

M18-39

15843

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

28053

Males

15874

M18-39

15874

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

27838

Males

15729

M18-39

15729

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

26862

Males

15214

M18-39

15214

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27279

Males

15423

M18-39

15423

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

27508

Males

15569

M18-39

15569

Passing Analysis

Category:
Athletes Passed
357
Passed By
2495
Net Change
-2138
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25133
5K → 10K211088-1067#25133#26200
10K → 15K48354-306#26200#26506
15K → 20K79197-118#26506#26624
20K → Half1349-36#26624#26660
Half → 25K8877+11#26660#26649
25K → 30K34243-209#26649#26858
30K → 20M16109-93#26858#26951
20M → 21M776-69#26951#27020
21M → 35K659-53#27020#27073
35K → 23M4107-103#27073#27176
23M → 24M1065-55#27176#27231
24M → 40K1921-2#27231#27233
40K → 25.2M218-16#27233#27249
25.2M → Finish1032-22#27249#27271
TOTALS3572495-2138
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing