Boston Marathon logo
BOSTON MARATHON 2025

Chase Stevenson

Bib: 26482•M

NY

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 44%
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
24:00
Rank: #14168
Start → 5K
24:00 | 7:43/mi
10K· 6.21 mi
46:47
Rank: #12378 (+1790)
5K → 10K
22:47 | 7:20/mi
15K· 9.32 mi
1:09:44
Rank: #11827 (+551)
10K → 15K
22:57 | 7:23/mi
20K· 12.43 mi
1:33:41
Rank: #11977 (-150)
15K → 20K
23:57 | 7:43/mi
Half· 13.11 mi
1:38:49
Rank: #11964 (+13)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:57:55
Rank: #12087 (-123)
Half → 25K
19:06 | 7:53/mi
30K· 18.64 mi
2:23:47
Rank: #12383 (-296)
25K → 30K
25:52 | 8:20/mi
20M
2:35:06
Rank: #12369 (+14)
30K → 20M
11:19 | 8:20/mi
21M
2:44:00
Rank: #12373 (-4)
20M → 21M
8:54 | 8:54/mi
35K· 21.75 mi
2:50:17
Rank: #12452 (-79)
21M → 35K
6:17 | 8:24/mi
23M
3:01:01
Rank: #12530 (-78)
35K → 23M
10:44 | 8:34/mi
24M
3:09:28
Rank: #12592 (-62)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:16:48
Rank: #12646 (-54)
24M → 40K
7:20 | 8:35/mi
25.2M
3:19:47
Rank: #12569 (+77)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:27:39
Rank: #12483 (+86)
25.2M → Finish
7:52 | 7:43/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
Time1:38:49
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:48:50
Pace8:18 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0924:007:4324:00
7:43
-
10K
6.21 mi12:05:5646:477:3222:47
7:20
-0:23
15K
9.32 mi12:28:531:09:447:2922:57
7:23
+0:03
20K
12.43 mi12:52:501:33:417:3223:57
7:43
+0:20
Half
13.11 mi12:57:581:38:497:325:08
7:31
-0:12
25K
15.53 mi13:17:041:57:557:3519:06
7:53
+0:22
30K
18.64 mi13:42:562:23:477:4325:52
8:20
+0:27
20M
20.00 mi13:54:152:35:067:4511:19
8:20
0:00
21M
21.00 mi14:03:092:44:007:498:54
8:54
+0:34
35K
21.75 mi14:09:262:50:177:506:17
8:24
-0:30
23M
23.00 mi14:20:103:01:017:5210:44
8:34
+0:10
24M
24.00 mi14:28:373:09:287:548:27
8:27
-0:07
40K
24.85 mi14:35:573:16:487:557:20
8:35
+0:08
25.2M
25.20 mi14:38:563:19:477:562:59
8:39
+0:04
Finish
26.22 mi14:46:483:27:397:567:52
7:43
-0:56

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

7:20 /mi

Average Pace

7:56 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:47

61% of race

Time at Steady Pace

1:02:39

30% of race

Time at Slower Pace

19:13

9% of race

Average Pace: 7:55 /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 mi11:43:0924:007:4324:00
7:43
#14168
10K
6.21 mi12:05:5646:477:3222:47
7:20
#12378
15K
9.32 mi12:28:531:09:447:2922:57
7:23
#11827
20K
12.43 mi12:52:501:33:417:3223:57
7:43
#11977
Half
13.11 mi12:57:581:38:497:325:08
7:31
#11964
25K
15.53 mi13:17:041:57:557:3519:06
7:53
#12087
30K
18.64 mi13:42:562:23:477:4325:52
8:20
#12383
20M
20.00 mi13:54:152:35:067:4511:19
8:20
#12369
21M
21.00 mi14:03:092:44:007:498:54
8:54
#12373
35K
21.75 mi14:09:262:50:177:506:17
8:24
#12452
23M
23.00 mi14:20:103:01:017:5210:44
8:34
#12530
24M
24.00 mi14:28:373:09:287:548:27
8:27
#12592
40K
24.85 mi14:35:573:16:487:557:20
8:35
#12646
25.2M
25.20 mi14:38:563:19:477:562:59
8:39
#12569
Finish
26.22 mi14:46:483:27:397:567:52
7:43
#12483
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi14168101111011110745(Top 38%)8479(Top 53%)8479(Top 150%)
10K6.21 mi3.10 mi12378+17909341+7709341+77010600(Top 37%)8461(Top 53%)8461(Top 150%)
15K9.32 mi3.11 mi11827+5519065+2769065+27610745(Top 38%)8479(Top 53%)8479(Top 150%)
20K12.43 mi3.11 mi11977-1509088-239088-2312477(Top 44%)9183(Top 57%)9183(Top 163%)
Half13.11 mi0.68 mi11964+139075+139075+1311876(Top 42%)8984(Top 56%)8984(Top 159%)
25K15.53 mi2.42 mi12087-1239094-199094-1912937(Top 46%)9263(Top 58%)9263(Top 164%)
30K18.64 mi3.11 mi12383-2969146-529146-5213647(Top 48%)9441(Top 59%)9441(Top 167%)
20M20.00 mi1.36 mi12369+149105+419105+4112652(Top 45%)8840(Top 55%)8840(Top 157%)
21M21.00 mi1.00 mi12373-49068+379068+3712902(Top 45%)8802(Top 55%)8802(Top 156%)
35K21.75 mi0.75 mi12452-799085-179085-1714811(Top 52%)9628(Top 60%)9628(Top 171%)
23M23.00 mi1.25 mi12530-789083+29083+213730(Top 48%)9031(Top 56%)9031(Top 160%)
24M24.00 mi1.00 mi12592-629090-79090-714175(Top 50%)9217(Top 57%)9217(Top 163%)
40K24.85 mi0.85 mi12646-549086+49086+413901(Top 49%)8950(Top 56%)8950(Top 159%)
25.2M25.20 mi0.35 mi12569+779029+579029+579699(Top 34%)6818(Top 42%)6818(Top 121%)
Finish26.22 mi1.02 mi12483+868955+748955+7410841(Top 38%)7433(Top 46%)7433(Top 132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10745

Males

8479

M18-39

8479

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

10600

Males

8461

M18-39

8461

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10745

Males

8479

M18-39

8479

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

12477

Males

9183

M18-39

9183

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11876

Males

8984

M18-39

8984

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12937

Males

9263

M18-39

9263

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13647

Males

9441

M18-39

9441

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12652

Males

8840

M18-39

8840

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

12902

Males

8802

M18-39

8802

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

14811

Males

9628

M18-39

9628

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

13730

Males

9031

M18-39

9031

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

14175

Males

9217

M18-39

9217

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13901

Males

8950

M18-39

8950

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9699

Males

6818

M18-39

6818

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10841

Males

7433

M18-39

7433

Passing Analysis

Category:
Athletes Passed
3529
Passed By
1844
Net Change
+1685
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14168
5K → 10K17988+1790#14168#12378
10K → 15K57423+551#12378#11827
15K → 20K147297-150#11827#11977
20K → Half4532+13#11977#11964
Half → 25K122245-123#11964#12087
25K → 30K166462-296#12087#12383
30K → 20M124110+14#12383#12369
20M → 21M102106-4#12369#12373
21M → 35K46125-79#12373#12452
35K → 23M89167-78#12452#12530
23M → 24M60122-62#12530#12592
24M → 40K61115-54#12592#12646
40K → 25.2M792+77#12646#12569
25.2M → Finish11630+86#12569#12483
TOTALS35291844+1685
📊

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