Boston Marathon logo
BOSTON MARATHON 2025

Kevin O'Neill

PA

Bib: 28687 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
10:41/mi
33:11
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:39/mi
1:06:15
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:50/mi
1:39:55
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
10:56/mi
2:13:53
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
11:46/mi
2:21:55
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:12/mi
2:51:29
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:16/mi
3:29:35
↑ 181↓ 1480.2%
138 ft elev
20M
12:17/mi
3:46:17
↑ 64↓ 500.2%
148 ft elev
21M
13:34/mi
3:59:51
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
12:45/mi
4:09:23
↑ 17↓ 861.7%
156 ft elev
23M
12:39/mi
4:25:13
↑ 23↓ 630.6%
116 ft elev
24M
13:00/mi
4:38:13
↓ 821.3%
34 ft elev
40K· 24.85 mi
11:05/mi
4:47:42
↓ 200.3%
20 ft elev
25.2M
12:11/mi
4:51:54
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:42/mi
5:01:47
↑ 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
Time2:21:55
Pace10:50 /mi
2nd Half
Distance13.11 mi
Time2:39:52
Pace12:12 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3833:1110:4133:11
10:41
-
10K
6.21 mi12:23:421:06:1510:4033:04
10:39
-0:02
15K
9.32 mi12:57:221:39:5510:4333:40
10:50
+0:11
20K
12.43 mi13:31:202:13:5310:4633:58
10:56
+0:06
Half
13.11 mi13:39:222:21:5510:508:02
11:46
+0:50
25K
15.53 mi14:08:562:51:2911:0229:34
12:12
+0:26
30K
18.64 mi14:47:023:29:3511:1538:06
12:16
+0:04
20M
20.00 mi15:03:443:46:1711:1916:42
12:17
+0:01
21M
21.00 mi15:17:183:59:5111:2513:34
13:34
+1:17
35K
21.75 mi15:26:504:09:2311:289:32
12:45
-0:49
23M
23.00 mi15:42:404:25:1311:3215:50
12:39
-0:06
24M
24.00 mi15:55:404:38:1311:3613:00
13:00
+0:21
40K
24.85 mi16:05:094:47:4211:359:29
11:05
-1:55
25.2M
25.20 mi16:09:214:51:5411:354:12
12:11
+1:06
Finish
26.22 mi16:19:145:01:4711:319:53
9:42
-2:29

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

9:42 /mi

Average Pace

11:31 /mi

Slowest Pace

13:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:33:15

51% of race

Time at Steady Pace

1:52:26

37% of race

Time at Slower Pace

36:06

12% of race

Average Pace: 11:31 /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 mi11:50:3833:1110:4133:11
10:41
#27097
10K
6.21 mi12:23:421:06:1510:4033:04
10:39
#26788
15K
9.32 mi12:57:221:39:5510:4333:40
10:50
#26663
20K
12.43 mi13:31:202:13:5310:4633:58
10:56
#26451
Half
13.11 mi13:39:222:21:5510:508:02
11:46
#26508
25K
15.53 mi14:08:562:51:2911:0229:34
12:12
#26552
30K
18.64 mi14:47:023:29:3511:1538:06
12:16
#26451
20M
20.00 mi15:03:443:46:1711:1916:42
12:17
#26399
21M
21.00 mi15:17:183:59:5111:2513:34
13:34
#26370
35K
21.75 mi15:26:504:09:2311:289:32
12:45
#26390
23M
23.00 mi15:42:404:25:1311:3215:50
12:39
#26386
24M
24.00 mi15:55:404:38:1311:3613:00
13:00
#26415
40K
24.85 mi16:05:094:47:4211:359:29
11:05
#26326
25.2M
25.20 mi16:09:214:51:5411:354:12
12:11
#26294
Finish
26.22 mi16:19:145:01:4711:319:53
9:42
#26218
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi270971564215642264631535615356
10K6.21 mi3.10 mi26788+30915504+13815504+138265171537015370
15K9.32 mi3.11 mi26663+12515447+5715447+57264631535615356
20K12.43 mi3.11 mi26451+21215343+10415343+104258991507915079
Half13.11 mi0.68 mi26508-5715367-2415367-24272801563215632
25K15.53 mi2.42 mi26552-4415376-915376-9266321535415354
30K18.64 mi3.11 mi26451+10115308+6815308+68259031494914949
20M20.00 mi1.36 mi26399+5215273+3515273+35256581476714767
21M21.00 mi1.00 mi26370+2915245+2815245+28257361475114751
35K21.75 mi0.75 mi26390-201524515245267241520015200
23M23.00 mi1.25 mi26386+415237+815237+8259841482914829
24M24.00 mi1.00 mi26415-2915244-715244-7268651523215232
40K24.85 mi0.85 mi26326+8915189+5515189+55233401342113421
25.2M25.20 mi0.35 mi26294+3215171+1815171+18235711356113561
Finish26.22 mi1.02 mi26218+7615135+3615135+36219191275212752

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26463

Males

15356

M18-39

15356

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26517

Males

15370

M18-39

15370

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26463

Males

15356

M18-39

15356

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

25899

Males

15079

M18-39

15079

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27280

Males

15632

M18-39

15632

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26632

Males

15354

M18-39

15354

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25903

Males

14949

M18-39

14949

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

25658

Males

14767

M18-39

14767

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25736

Males

14751

M18-39

14751

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

26724

Males

15200

M18-39

15200

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25984

Males

14829

M18-39

14829

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

26865

Males

15232

M18-39

15232

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23340

Males

13421

M18-39

13421

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23571

Males

13561

M18-39

13561

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

21919

Males

12752

M18-39

12752

Passing Analysis

Category:
Athletes Passed
1395
Passed By
516
Net Change
+879
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27097
5K → 10K34132+309#27097#26788
10K → 15K17954+125#26788#26663
15K → 20K23725+212#26663#26451
20K → Half663-57#26451#26508
Half → 25K65109-44#26508#26552
25K → 30K15150+101#26552#26451
30K → 20M7220+52#26451#26399
20M → 21M6233+29#26399#26370
21M → 35K2141-20#26370#26390
35K → 23M3733+4#26390#26386
23M → 24M1847-29#26386#26415
24M → 40K934+89#26415#26326
40K → 25.2M331+32#26326#26294
25.2M → Finish804+76#26294#26218
TOTALS1395516+879

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