Boston Marathon logo
BOSTON MARATHON 2025

Colin Burnett

Bib: 28211•M

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
25:38
Rank: #18413
Start → 5K
25:38 | 8:15/mi
10K· 6.21 mi
50:35
Rank: #17565 (+848)
5K → 10K
24:57 | 8:02/mi
15K· 9.32 mi
1:15:51
Rank: #17343 (+222)
10K → 15K
25:16 | 8:08/mi
20K· 12.43 mi
1:41:23
Rank: #17089 (+254)
15K → 20K
25:32 | 8:13/mi
Half· 13.11 mi
1:46:53
Rank: #17032 (+57)
20K → Half
5:30 | 8:04/mi
25K· 15.53 mi
2:07:13
Rank: #16888 (+144)
Half → 25K
20:20 | 8:23/mi
30K· 18.64 mi
2:34:14
Rank: #16680 (+208)
25K → 30K
27:01 | 8:42/mi
20M
2:46:12
Rank: #16576 (+104)
30K → 20M
11:58 | 8:48/mi
21M
2:55:27
Rank: #16415 (+161)
20M → 21M
9:15 | 9:15/mi
35K· 21.75 mi
3:01:49
Rank: #16353 (+62)
21M → 35K
6:22 | 8:31/mi
23M
3:13:01
Rank: #16276 (+77)
35K → 23M
11:12 | 8:57/mi
24M
3:21:41
Rank: #16218 (+58)
23M → 24M
8:40 | 8:40/mi
40K· 24.85 mi
3:29:19
Rank: #16218
24M → 40K
7:38 | 8:56/mi
25.2M
3:32:32
Rank: #16163 (+55)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:41:16
Rank: #16193 (-30)
25.2M → Finish
8:44 | 8:34/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
Time1:46:53
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:54:23
Pace8:44 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:4925:388:1525:38
8:15
-
10K
6.21 mi12:07:4650:358:0824:57
8:02
-0:13
15K
9.32 mi12:33:021:15:518:0825:16
8:08
+0:06
20K
12.43 mi12:58:341:41:238:0925:32
8:13
+0:05
Half
13.11 mi13:04:041:46:538:095:30
8:04
-0:09
25K
15.53 mi13:24:242:07:138:1120:20
8:23
+0:19
30K
18.64 mi13:51:252:34:148:1627:01
8:42
+0:19
20M
20.00 mi14:03:232:46:128:1911:58
8:48
+0:06
21M
21.00 mi14:12:382:55:278:219:15
9:15
+0:27
35K
21.75 mi14:19:003:01:498:226:22
8:31
-0:44
23M
23.00 mi14:30:123:13:018:2411:12
8:57
+0:26
24M
24.00 mi14:38:523:21:418:248:40
8:40
-0:17
40K
24.85 mi14:46:303:29:198:257:38
8:56
+0:16
25.2M
25.20 mi14:49:433:32:328:263:13
9:20
+0:24
Finish
26.22 mi14:58:273:41:168:278:44
8:34
-0:46

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

8:02 /mi

Average Pace

8:27 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:58

86% of race

Time at Steady Pace

31:18

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:26 /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 mi11:42:4925:388:1525:38
8:15
#18413
10K
6.21 mi12:07:4650:358:0824:57
8:02
#17565
15K
9.32 mi12:33:021:15:518:0825:16
8:08
#17343
20K
12.43 mi12:58:341:41:238:0925:32
8:13
#17089
Half
13.11 mi13:04:041:46:538:095:30
8:04
#17032
25K
15.53 mi13:24:242:07:138:1120:20
8:23
#16888
30K
18.64 mi13:51:252:34:148:1627:01
8:42
#16680
20M
20.00 mi14:03:232:46:128:1911:58
8:48
#16576
21M
21.00 mi14:12:382:55:278:219:15
9:15
#16415
35K
21.75 mi14:19:003:01:498:226:22
8:31
#16353
23M
23.00 mi14:30:123:13:018:2411:12
8:57
#16276
24M
24.00 mi14:38:523:21:418:248:40
8:40
#16218
40K
24.85 mi14:46:303:29:198:257:38
8:56
#16218
25.2M
25.20 mi14:49:433:32:328:263:13
9:20
#16163
Finish
26.22 mi14:58:273:41:168:278:44
8:34
#16193
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi18413117691176916949(Top 60%)11193(Top 70%)11193(Top 198%)
10K6.21 mi3.10 mi17565+84811432+33711432+33716693(Top 59%)11107(Top 69%)11107(Top 197%)
15K9.32 mi3.11 mi17343+22211373+5911373+5916949(Top 60%)11193(Top 70%)11193(Top 198%)
20K12.43 mi3.11 mi17089+25411241+13211241+13216412(Top 58%)10922(Top 68%)10922(Top 194%)
Half13.11 mi0.68 mi17032+5711215+2611215+2616328(Top 57%)10904(Top 68%)10904(Top 193%)
25K15.53 mi2.42 mi16888+14411140+7511140+7516473(Top 58%)10854(Top 67%)10854(Top 192%)
30K18.64 mi3.11 mi16680+20811007+13311007+13315978(Top 56%)10487(Top 65%)10487(Top 186%)
20M20.00 mi1.36 mi16576+10410930+7710930+7715680(Top 55%)10232(Top 64%)10232(Top 181%)
21M21.00 mi1.00 mi16415+16110832+9810832+9814881(Top 52%)9736(Top 60%)9736(Top 173%)
35K21.75 mi0.75 mi16353+6210793+3910793+3915518(Top 55%)9949(Top 62%)9949(Top 176%)
23M23.00 mi1.25 mi16276+7710727+6610727+6615932(Top 56%)10044(Top 62%)10044(Top 178%)
24M24.00 mi1.00 mi16218+5810669+5810669+5815525(Top 55%)9828(Top 61%)9828(Top 174%)
40K24.85 mi0.85 mi1621810650+1910650+1915883(Top 56%)9859(Top 61%)9859(Top 175%)
25.2M25.20 mi0.35 mi16163+5510618+3210618+3213581(Top 48%)8751(Top 54%)8751(Top 155%)
Finish26.22 mi1.02 mi16193-3010612+610612+616653(Top 59%)10227(Top 64%)10227(Top 181%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

16949

Males

11193

M18-39

11193

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16693

Males

11107

M18-39

11107

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

16949

Males

11193

M18-39

11193

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

16412

Males

10922

M18-39

10922

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16328

Males

10904

M18-39

10904

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16473

Males

10854

M18-39

10854

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15978

Males

10487

M18-39

10487

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15680

Males

10232

M18-39

10232

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14881

Males

9736

M18-39

9736

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15518

Males

9949

M18-39

9949

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15932

Males

10044

M18-39

10044

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

15525

Males

9828

M18-39

9828

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15883

Males

9859

M18-39

9859

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

13581

Males

8751

M18-39

8751

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16653

Males

10227

M18-39

10227

Passing Analysis

Category:
Athletes Passed
3017
Passed By
797
Net Change
+2220
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18413
5K → 10K89042+848#18413#17565
10K → 15K326104+222#17565#17343
15K → 20K32470+254#17343#17089
20K → Half625+57#17089#17032
Half → 25K21470+144#17032#16888
25K → 30K315107+208#16888#16680
30K → 20M15753+104#16680#16576
20M → 21M19534+161#16576#16415
21M → 35K9028+62#16415#16353
35K → 23M15073+77#16353#16276
23M → 24M10345+58#16276#16218
24M → 40K65650#16218#16218
40K → 25.2M638+55#16218#16163
25.2M → Finish6393-30#16163#16193
TOTALS3017797+2220
📊

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