Boston Marathon logo
BOSTON MARATHON 2025

Nick O'Hara

MA

Bib: 26691 M

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
9:38/mi
29:57
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:20/mi
58:57
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:19/mi
1:27:53
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:49/mi
1:58:23
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:51/mi
2:05:06
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
10:14/mi
2:29:54
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:23/mi
3:05:17
↑ 181↓ 1480.2%
138 ft elev
20M
11:41/mi
3:21:09
↑ 64↓ 500.2%
148 ft elev
21M
13:13/mi
3:34:22
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:43/mi
3:43:08
↑ 17↓ 861.7%
156 ft elev
23M
12:09/mi
3:58:21
↑ 23↓ 630.6%
116 ft elev
24M
13:53/mi
4:12:14
↓ 821.3%
34 ft elev
40K· 24.85 mi
15:31/mi
4:25:30
↓ 200.3%
20 ft elev
25.2M
13:46/mi
4:30:15
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:20/mi
4:40:47
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:06
Pace9:33 /mi
2nd Half
Distance13.11 mi
Time2:35:41
Pace11:53 /mi
📊Positive Split: 24.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0129:579:3829:57
9:38
-
10K
6.21 mi12:16:0158:579:2929:00
9:20
-0:18
15K
9.32 mi12:44:571:27:539:2628:56
9:19
-0:01
20K
12.43 mi13:15:271:58:239:3230:30
9:49
+0:30
Half
13.11 mi13:22:102:05:069:336:43
9:51
+0:02
25K
15.53 mi13:46:582:29:549:3924:48
10:14
+0:23
30K
18.64 mi14:22:213:05:179:5635:23
11:23
+1:09
20M
20.00 mi14:38:133:21:0910:0315:52
11:41
+0:18
21M
21.00 mi14:51:263:34:2210:1213:13
13:13
+1:32
35K
21.75 mi15:00:123:43:0810:168:46
11:43
-1:30
23M
23.00 mi15:15:253:58:2110:2215:13
12:09
+0:26
24M
24.00 mi15:29:184:12:1410:3113:53
13:53
+1:44
40K
24.85 mi15:42:344:25:3010:4113:16
15:31
+1:38
25.2M
25.20 mi15:47:194:30:1510:434:45
13:46
-1:45
Finish
26.22 mi15:57:514:40:4710:4310:32
10:20
-3:26

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

9:19 /mi

Average Pace

10:43 /mi

Slowest Pace

15:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:26

57% of race

Time at Steady Pace

1:15:14

27% of race

Time at Slower Pace

45:07

16% of race

Average Pace: 10:43 /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 mi11:47:0129:579:3829:57
9:38
#24657
10K
6.21 mi12:16:0158:579:2929:00
9:20
#24141
15K
9.32 mi12:44:571:27:539:2628:56
9:19
#23828
20K
12.43 mi13:15:271:58:239:3230:30
9:49
#23813
Half
13.11 mi13:22:102:05:069:336:43
9:51
#23849
25K
15.53 mi13:46:582:29:549:3924:48
10:14
#23844
30K
18.64 mi14:22:213:05:179:5635:23
11:23
#24073
20M
20.00 mi14:38:133:21:0910:0315:52
11:41
#24130
21M
21.00 mi14:51:263:34:2210:1213:13
13:13
#24247
35K
21.75 mi15:00:123:43:0810:168:46
11:43
#24301
23M
23.00 mi15:15:253:58:2110:2215:13
12:09
#24409
24M
24.00 mi15:29:184:12:1410:3113:53
13:53
#24635
40K
24.85 mi15:42:344:25:3010:4113:16
15:31
#24900
25.2M
25.20 mi15:47:194:30:1510:434:45
13:46
#24921
Finish
26.22 mi15:57:514:40:4710:4310:32
10:20
#24900
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi246571455514555232531395813958
10K6.21 mi3.10 mi24141+51614317+23814317+238236331409014090
15K9.32 mi3.11 mi23828+31314182+13514182+135232531395813958
20K12.43 mi3.11 mi23813+1514162+2014162+20238091413914139
Half13.11 mi0.68 mi23849-3614177-1514177-15244831443414434
25K15.53 mi2.42 mi23844+514172+514172+5237831409614096
30K18.64 mi3.11 mi24073-22914243-7114243-71246771438914389
20M20.00 mi1.36 mi24130-5714240+314240+3248241439014390
21M21.00 mi1.00 mi24247-11714287-4714287-47253351454114541
35K21.75 mi0.75 mi24301-5414297-1014297-10254331455514555
23M23.00 mi1.25 mi24409-10814336-3914336-39253291450014500
24M24.00 mi1.00 mi24635-22614423-8714423-87275781558715587
40K24.85 mi0.85 mi24900-26514535-11214535-112279591580815808
25.2M25.20 mi0.35 mi24921-2114541-614541-6260241475814758
Finish26.22 mi1.02 mi24900+2114525+1614525+16238751370913709

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

23253

Males

13958

M18-39

13958

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

23633

Males

14090

M18-39

14090

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

23253

Males

13958

M18-39

13958

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23809

Males

14139

M18-39

14139

20K→Half

12.4 - 13.1 mi

Top 86%
×2story building
+19ft-37ft

Overall

24483

Males

14434

M18-39

14434

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23783

Males

14096

M18-39

14096

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24677

Males

14389

M18-39

14389

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

24824

Males

14390

M18-39

14390

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25335

Males

14541

M18-39

14541

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

25433

Males

14555

M18-39

14555

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

25329

Males

14500

M18-39

14500

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

27578

Males

15587

M18-39

15587

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27959

Males

15808

M18-39

15808

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

26024

Males

14758

M18-39

14758

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

23875

Males

13709

M18-39

13709

Passing Analysis

Category:
Athletes Passed
1457
Passed By
1700
Net Change
-243
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24657
5K → 10K56044+516#24657#24141
10K → 15K34936+313#24141#23828
15K → 20K138123+15#23828#23813
20K → Half1551-36#23813#23849
Half → 25K116111+5#23849#23844
25K → 30K82311-229#23844#24073
30K → 20M62119-57#24073#24130
20M → 21M26143-117#24130#24247
21M → 35K1872-54#24247#24301
35K → 23M33141-108#24301#24409
23M → 24M8234-226#24409#24635
24M → 40K2267-265#24635#24900
40K → 25.2M627-21#24900#24921
25.2M → Finish4221+21#24921#24900
TOTALS14571700-243

Passing Charts

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing