Boston Marathon logo
BOSTON MARATHON 2025

Clark Bowman

Bib: 3506•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 36%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:56/mi
21:31
↑ 97↓ 3451.5%
10K· 6.21 mi
6:58/mi
43:10
↑ 79↓ 1380.4%
15K· 9.32 mi
7:00/mi
1:04:55
↑ 67↓ 78
20K· 12.43 mi
7:04/mi
1:26:53
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:31:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:07/mi
1:48:52
↑ 66↓ 880.2%
30K· 18.64 mi
7:15/mi
2:11:24
↑ 181↓ 1480.2%
20M
7:22/mi
2:21:25
↑ 64↓ 500.2%
21M
7:48/mi
2:29:13
↑ 106↓ 241.6%
35K· 21.75 mi
7:13/mi
2:34:37
↑ 17↓ 861.7%
23M
7:28/mi
2:43:58
↑ 23↓ 630.6%
24M
7:35/mi
2:51:33
↓ 821.3%
40K· 24.85 mi
7:48/mi
2:58:13
↓ 200.3%
25.2M
8:27/mi
3:01:08
↑ 13↓ 160.2%
Finish· 26.22 mi
7:40/mi
3:08:57
↑ 22↓ 21

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
Time1:31:37
Pace6:59 /mi
2nd Half
Distance13.11 mi
Time1:37:20
Pace7:25 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2021:316:5621:31
6:56
-
10K
6.21 mi10:49:5943:106:5721:39
6:58
+0:02
15K
9.32 mi11:11:441:04:556:5821:45
7:00
+0:02
20K
12.43 mi11:33:421:26:536:5921:58
7:04
+0:04
Half
13.11 mi11:38:261:31:376:594:44
6:56
-0:08
25K
15.53 mi11:55:411:48:527:0017:15
7:07
+0:11
30K
18.64 mi12:18:132:11:247:0322:32
7:15
+0:08
20M
20.00 mi12:28:142:21:257:0410:01
7:22
+0:07
21M
21.00 mi12:36:022:29:137:067:48
7:48
+0:26
35K
21.75 mi12:41:262:34:377:075:24
7:13
-0:35
23M
23.00 mi12:50:472:43:587:089:21
7:28
+0:15
24M
24.00 mi12:58:222:51:337:097:35
7:35
+0:07
40K
24.85 mi13:05:022:58:137:106:40
7:48
+0:13
25.2M
25.20 mi13:07:573:01:087:112:55
8:27
+0:39
Finish
26.22 mi13:15:463:08:577:137:49
7:40
-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

6:56 /mi

Average Pace

7:13 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:09:39

37% of race

Time at Steady Pace

1:17:10

41% of race

Time at Slower Pace

42:08

22% of race

Average Pace: 7:12 /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 mi10:28:2021:316:5621:31
6:56
#7259
10K
6.21 mi10:49:5943:106:5721:39
6:58
#7490
15K
9.32 mi11:11:441:04:556:5821:45
7:00
#7522
20K
12.43 mi11:33:421:26:536:5921:58
7:04
#7439
Half
13.11 mi11:38:261:31:376:594:44
6:56
#7414
25K
15.53 mi11:55:411:48:527:0017:15
7:07
#7315
30K
18.64 mi12:18:132:11:247:0322:32
7:15
#6991
20M
20.00 mi12:28:142:21:257:0410:01
7:22
#6834
21M
21.00 mi12:36:022:29:137:067:48
7:48
#6732
35K
21.75 mi12:41:262:34:377:075:24
7:13
#6683
23M
23.00 mi12:50:472:43:587:089:21
7:28
#6587
24M
24.00 mi12:58:222:51:337:097:35
7:35
#6606
40K
24.85 mi13:05:022:58:137:106:40
7:48
#6641
25.2M
25.20 mi13:07:573:01:087:112:55
8:27
#6660
Finish
26.22 mi13:15:463:08:577:137:49
7:40
#6750
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7259649064907636(Top 27%)6707(Top 42%)6707(Top 119%)
10K6.21 mi3.10 mi7490-2316648-1586648-1587706(Top 27%)6779(Top 42%)6779(Top 120%)
15K9.32 mi3.11 mi7522-326659-116659-117636(Top 27%)6707(Top 42%)6707(Top 119%)
20K12.43 mi3.11 mi7439+836588+716588+717328(Top 26%)6444(Top 40%)6444(Top 114%)
Half13.11 mi0.68 mi7414+256567+216567+217141(Top 25%)6318(Top 39%)6318(Top 112%)
25K15.53 mi2.42 mi7315+996478+896478+897061(Top 25%)6163(Top 38%)6163(Top 109%)
30K18.64 mi3.11 mi6991+3246205+2736205+2736189(Top 22%)5453(Top 34%)5453(Top 97%)
20M20.00 mi1.36 mi6834+1576058+1476058+1476208(Top 22%)5339(Top 33%)5339(Top 95%)
21M21.00 mi1.00 mi6732+1025961+975961+976189(Top 22%)5190(Top 32%)5190(Top 92%)
35K21.75 mi0.75 mi6683+495908+535908+536710(Top 24%)5529(Top 34%)5529(Top 98%)
23M23.00 mi1.25 mi6587+965807+1015807+1016443(Top 23%)5256(Top 33%)5256(Top 93%)
24M24.00 mi1.00 mi6606-195796+115796+118261(Top 29%)6251(Top 39%)6251(Top 111%)
40K24.85 mi0.85 mi6641-355793+35793+38703(Top 31%)6360(Top 39%)6360(Top 113%)
25.2M25.20 mi0.35 mi6660-19579357938482(Top 30%)6167(Top 38%)6167(Top 109%)
Finish26.22 mi1.02 mi6750-905828-355828-3510442(Top 37%)7212(Top 45%)7212(Top 128%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7636

Males

6707

M18-39

6707

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7706

Males

6779

M18-39

6779

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7636

Males

6707

M18-39

6707

15K→20K

9.3 - 12.4 mi

Top 26%
×5story building
+106ft-86ft

Overall

7328

Males

6444

M18-39

6444

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7141

Males

6318

M18-39

6318

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

7061

Males

6163

M18-39

6163

25K→30K

15.5 - 18.6 mi

Top 22%
×9story building
+181ft-148ft

Overall

6189

Males

5453

M18-39

5453

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

6208

Males

5339

M18-39

5339

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6189

Males

5190

M18-39

5190

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6710

Males

5529

M18-39

5529

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6443

Males

5256

M18-39

5256

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

8261

Males

6251

M18-39

6251

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8703

Males

6360

M18-39

6360

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8482

Males

6167

M18-39

6167

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2story building
+22ft-21ft

Overall

10442

Males

7212

M18-39

7212

Passing Analysis

Category:
Athletes Passed
1640
Passed By
1131
Net Change
+509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7259
5K → 10K116347-231#7259#7490
10K → 15K127159-32#7490#7522
15K → 20K16784+83#7522#7439
20K → Half4116+25#7439#7414
Half → 25K15152+99#7414#7315
25K → 30K35834+324#7315#6991
30K → 20M18023+157#6991#6834
20M → 21M13331+102#6834#6732
21M → 35K6920+49#6732#6683
35K → 23M13539+96#6683#6587
23M → 24M5675-19#6587#6606
24M → 40K4883-35#6606#6641
40K → 25.2M2544-19#6641#6660
25.2M → Finish34124-90#6660#6750
TOTALS16401131+509
📊

Passing Visuals

Category:
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