Boston Marathon logo
BOSTON MARATHON 2025

Jayden Nicholson

Bib: 3151•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:23
Rank: #829
Start → 5K
18:23 | 5:55/mi
10K· 6.21 mi
36:32
Rank: #749 (+80)
5K → 10K
18:09 | 5:51/mi
15K· 9.32 mi
54:57
Rank: #776 (-27)
10K → 15K
18:25 | 5:56/mi
20K· 12.43 mi
1:13:28
Rank: #766 (+10)
15K → 20K
18:31 | 5:58/mi
Half· 13.11 mi
1:17:28
Rank: #762 (+4)
20K → Half
4:00 | 5:52/mi
25K· 15.53 mi
1:31:59
Rank: #750 (+12)
Half → 25K
14:31 | 5:59/mi
30K· 18.64 mi
1:50:54
Rank: #712 (+38)
25K → 30K
18:55 | 6:05/mi
20M
1:59:28
Rank: #713 (-1)
30K → 20M
8:34 | 6:18/mi
21M
2:06:03
Rank: #704 (+9)
20M → 21M
6:35 | 6:35/mi
35K· 21.75 mi
2:10:34
Rank: #693 (+11)
21M → 35K
4:31 | 6:02/mi
23M
2:18:16
Rank: #673 (+20)
35K → 23M
7:42 | 6:09/mi
24M
2:24:14
Rank: #654 (+19)
23M → 24M
5:58 | 5:58/mi
40K· 24.85 mi
2:29:32
Rank: #644 (+10)
24M → 40K
5:18 | 6:12/mi
25.2M
2:31:47
Rank: #639 (+5)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:37:49
Rank: #635 (+4)
25.2M → Finish
6:02 | 5:55/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
Time1:17:28
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:20:21
Pace6:08 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:1518:235:5518:23
5:55
-
10K
6.21 mi10:37:2436:325:5318:09
5:51
-0:04
15K
9.32 mi10:55:4954:575:5418:25
5:56
+0:05
20K
12.43 mi11:14:201:13:285:5518:31
5:58
+0:02
Half
13.11 mi11:18:201:17:285:554:00
5:52
-0:06
25K
15.53 mi11:32:511:31:595:5514:31
5:59
+0:07
30K
18.64 mi11:51:461:50:545:5718:55
6:05
+0:06
20M
20.00 mi12:00:201:59:285:588:34
6:18
+0:13
21M
21.00 mi12:06:552:06:036:006:35
6:35
+0:17
35K
21.75 mi12:11:262:10:346:004:31
6:02
-0:33
23M
23.00 mi12:19:082:18:166:017:42
6:09
+0:07
24M
24.00 mi12:25:062:24:146:015:58
5:58
-0:11
40K
24.85 mi12:30:242:29:326:015:18
6:12
+0:14
25.2M
25.20 mi12:32:392:31:476:012:15
6:31
+0:19
Finish
26.22 mi12:38:412:37:496:016:02
5:55
-0:36

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

5:51 /mi

Average Pace

6:01 /mi

Slowest Pace

6:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:59

94% of race

Time at Steady Pace

8:50

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:01 /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 mi10:19:1518:235:5518:23
5:55
#829
10K
6.21 mi10:37:2436:325:5318:09
5:51
#749
15K
9.32 mi10:55:4954:575:5418:25
5:56
#776
20K
12.43 mi11:14:201:13:285:5518:31
5:58
#766
Half
13.11 mi11:18:201:17:285:554:00
5:52
#762
25K
15.53 mi11:32:511:31:595:5514:31
5:59
#750
30K
18.64 mi11:51:461:50:545:5718:55
6:05
#712
20M
20.00 mi12:00:201:59:285:588:34
6:18
#713
21M
21.00 mi12:06:552:06:036:006:35
6:35
#704
35K
21.75 mi12:11:262:10:346:004:31
6:02
#693
23M
23.00 mi12:19:082:18:166:017:42
6:09
#673
24M
24.00 mi12:25:062:24:146:015:58
5:58
#654
40K
24.85 mi12:30:242:29:326:015:18
6:12
#644
25.2M
25.20 mi12:32:392:31:476:012:15
6:31
#639
Finish
26.22 mi12:38:412:37:496:016:02
5:55
#635
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi829775775818(Top 3%)767(Top 5%)767(Top 14%)
10K6.21 mi3.10 mi749+80698+77698+77686(Top 2%)641(Top 4%)641(Top 11%)
15K9.32 mi3.11 mi776-27725-27725-27818(Top 3%)767(Top 5%)767(Top 14%)
20K12.43 mi3.11 mi766+10716+9716+9770(Top 3%)721(Top 4%)721(Top 13%)
Half13.11 mi0.68 mi762+4713+3713+3726(Top 3%)680(Top 4%)680(Top 12%)
25K15.53 mi2.42 mi750+12702+11702+11756(Top 3%)708(Top 4%)708(Top 13%)
30K18.64 mi3.11 mi712+38665+37665+37652(Top 2%)610(Top 4%)610(Top 11%)
20M20.00 mi1.36 mi713-1666-1666-1963(Top 3%)908(Top 6%)908(Top 16%)
21M21.00 mi1.00 mi704+9657+9657+9852(Top 3%)804(Top 5%)804(Top 14%)
35K21.75 mi0.75 mi693+11645+12645+12788(Top 3%)734(Top 5%)734(Top 13%)
23M23.00 mi1.25 mi673+20625+20625+20570(Top 2%)537(Top 3%)537(Top 10%)
24M24.00 mi1.00 mi654+19606+19606+19510(Top 2%)474(Top 3%)474(Top 8%)
40K24.85 mi0.85 mi644+10596+10596+10715(Top 3%)670(Top 4%)670(Top 12%)
25.2M25.20 mi0.35 mi639+5591+5591+5478(Top 2%)443(Top 3%)443(Top 8%)
Finish26.22 mi1.02 mi635+4586+5586+5723(Top 3%)679(Top 4%)679(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

818

Males

767

M18-39

767

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

686

Males

641

M18-39

641

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

818

Males

767

M18-39

767

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

770

Males

721

M18-39

721

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

726

Males

680

M18-39

680

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

756

Males

708

M18-39

708

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

652

Males

610

M18-39

610

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

963

Males

908

M18-39

908

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

852

Males

804

M18-39

804

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

788

Males

734

M18-39

734

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

570

Males

537

M18-39

537

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

510

Males

474

M18-39

474

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

715

Males

670

M18-39

670

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

478

Males

443

M18-39

443

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

723

Males

679

M18-39

679

Passing Analysis

Category:
Athletes Passed
361
Passed By
167
Net Change
+194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#829
5K → 10K9010+80#829#749
10K → 15K1744-27#749#776
15K → 20K3121+10#776#766
20K → Half73+4#766#762
Half → 25K3119+12#762#750
25K → 30K5214+38#750#712
30K → 20M1617-1#712#713
20M → 21M2011+9#713#704
21M → 35K198+11#704#693
35K → 23M244+20#693#673
23M → 24M212+19#673#654
24M → 40K155+10#654#644
40K → 25.2M50+5#644#639
25.2M → Finish139+4#639#635
TOTALS361167+194
📊

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