Boston Marathon logo
BOSTON MARATHON 2025

Grant Stimart

Bib: 2396•M

IA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:37
Rank: #4889
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
41:20
Rank: #4938 (-49)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:08
Rank: #4920 (+18)
10K → 15K
20:48 | 6:42/mi
20K· 12.43 mi
1:23:14
Rank: #4966 (-46)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:27:47
Rank: #4960 (+6)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:08
Rank: #4825 (+135)
Half → 25K
16:21 | 6:45/mi
30K· 18.64 mi
2:05:36
Rank: #4630 (+195)
25K → 30K
21:28 | 6:55/mi
20M
2:14:56
Rank: #4481 (+149)
30K → 20M
9:20 | 6:52/mi
21M
2:21:59
Rank: #4272 (+209)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:27:03
Rank: #4258 (+14)
21M → 35K
5:04 | 6:46/mi
23M
2:35:40
Rank: #4143 (+115)
35K → 23M
8:37 | 6:53/mi
24M
2:42:29
Rank: #4090 (+53)
23M → 24M
6:49 | 6:49/mi
40K· 24.85 mi
2:48:24
Rank: #4042 (+48)
24M → 40K
5:55 | 6:55/mi
25.2M
2:50:57
Rank: #4001 (+41)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:57:42
Rank: #3951 (+50)
25.2M → Finish
6:45 | 6:37/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
Time1:27:47
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:29:55
Pace6:52 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:4220:376:3820:37
6:38
-
10K
6.21 mi10:42:2541:206:3920:43
6:40
+0:02
15K
9.32 mi11:03:131:02:086:4020:48
6:42
+0:02
20K
12.43 mi11:24:191:23:146:4221:06
6:47
+0:05
Half
13.11 mi11:28:521:27:476:424:33
6:40
-0:07
25K
15.53 mi11:45:131:44:086:4216:21
6:45
+0:05
30K
18.64 mi12:06:412:05:366:4421:28
6:55
+0:10
20M
20.00 mi12:16:012:14:566:459:20
6:52
-0:03
21M
21.00 mi12:23:042:21:596:467:03
7:03
+0:11
35K
21.75 mi12:28:082:27:036:465:04
6:46
-0:17
23M
23.00 mi12:36:452:35:406:468:37
6:53
+0:07
24M
24.00 mi12:43:342:42:296:466:49
6:49
-0:04
40K
24.85 mi12:49:292:48:246:475:55
6:55
+0:06
25.2M
25.20 mi12:52:022:50:576:472:33
7:24
+0:29
Finish
26.22 mi12:58:472:57:426:476:45
6:37
-0:47

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

6:37 /mi

Average Pace

6:47 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:09

99% of race

Time at Steady Pace

2:33

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:21:4220:376:3820:37
6:38
#4889
10K
6.21 mi10:42:2541:206:3920:43
6:40
#4938
15K
9.32 mi11:03:131:02:086:4020:48
6:42
#4920
20K
12.43 mi11:24:191:23:146:4221:06
6:47
#4966
Half
13.11 mi11:28:521:27:476:424:33
6:40
#4960
25K
15.53 mi11:45:131:44:086:4216:21
6:45
#4825
30K
18.64 mi12:06:412:05:366:4421:28
6:55
#4630
20M
20.00 mi12:16:012:14:566:459:20
6:52
#4481
21M
21.00 mi12:23:042:21:596:467:03
7:03
#4272
35K
21.75 mi12:28:082:27:036:465:04
6:46
#4258
23M
23.00 mi12:36:452:35:406:468:37
6:53
#4143
24M
24.00 mi12:43:342:42:296:466:49
6:49
#4090
40K
24.85 mi12:49:292:48:246:475:55
6:55
#4042
25.2M
25.20 mi12:52:022:50:576:472:33
7:24
#4001
Finish
26.22 mi12:58:472:57:426:476:45
6:37
#3951
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4889457445745010(Top 18%)4655(Top 29%)4655(Top 83%)
10K6.21 mi3.10 mi4938-494606-324606-325036(Top 18%)4693(Top 29%)4693(Top 83%)
15K9.32 mi3.11 mi4920+184589+174589+175010(Top 18%)4655(Top 29%)4655(Top 83%)
20K12.43 mi3.11 mi4966-464622-334622-335191(Top 18%)4780(Top 30%)4780(Top 85%)
Half13.11 mi0.68 mi4960+64616+64616+64935(Top 17%)4564(Top 28%)4564(Top 81%)
25K15.53 mi2.42 mi4825+1354486+1304486+1304415(Top 16%)4087(Top 25%)4087(Top 72%)
30K18.64 mi3.11 mi4630+1954303+1834303+1834125(Top 15%)3792(Top 24%)3792(Top 67%)
20M20.00 mi1.36 mi4481+1494167+1364167+1363309(Top 12%)3060(Top 19%)3060(Top 54%)
21M21.00 mi1.00 mi4272+2093979+1883979+1882448(Top 9%)2284(Top 14%)2284(Top 40%)
35K21.75 mi0.75 mi4258+143960+193960+193909(Top 14%)3509(Top 22%)3509(Top 62%)
23M23.00 mi1.25 mi4143+1153852+1083852+1083116(Top 11%)2846(Top 18%)2846(Top 50%)
24M24.00 mi1.00 mi4090+533796+563796+563588(Top 13%)3207(Top 20%)3207(Top 57%)
40K24.85 mi0.85 mi4042+483748+483748+483433(Top 12%)3052(Top 19%)3052(Top 54%)
25.2M25.20 mi0.35 mi4001+413707+413707+412898(Top 10%)2577(Top 16%)2577(Top 46%)
Finish26.22 mi1.02 mi3951+503651+563651+563441(Top 12%)3010(Top 19%)3010(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5010

Males

4655

M18-39

4655

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5036

Males

4693

M18-39

4693

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5010

Males

4655

M18-39

4655

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5191

Males

4780

M18-39

4780

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4935

Males

4564

M18-39

4564

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4415

Males

4087

M18-39

4087

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4125

Males

3792

M18-39

3792

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3309

Males

3060

M18-39

3060

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2448

Males

2284

M18-39

2284

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3909

Males

3509

M18-39

3509

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3116

Males

2846

M18-39

2846

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3588

Males

3207

M18-39

3207

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3433

Males

3052

M18-39

3052

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2898

Males

2577

M18-39

2577

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3441

Males

3010

M18-39

3010

Passing Analysis

Category:
Athletes Passed
1664
Passed By
726
Net Change
+938
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4889
5K → 10K155204-49#4889#4938
10K → 15K124106+18#4938#4920
15K → 20K119165-46#4920#4966
20K → Half2115+6#4966#4960
Half → 25K17136+135#4960#4825
25K → 30K25964+195#4825#4630
30K → 20M16011+149#4630#4481
20M → 21M2123+209#4481#4272
21M → 35K5137+14#4272#4258
35K → 23M13116+115#4258#4143
23M → 24M7118+53#4143#4090
24M → 40K6214+48#4090#4042
40K → 25.2M476+41#4042#4001
25.2M → Finish8131+50#4001#3951
TOTALS1664726+938
📊

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