Boston Marathon logo
BOSTON MARATHON 2025

Daniel Willson

Bib: 18050•M

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:54
Rank: #16690
Start → 5K
24:54 | 8:01/mi
10K· 6.21 mi
49:28
Rank: #16176 (+514)
5K → 10K
24:34 | 7:54/mi
15K· 9.32 mi
1:13:59
Rank: #15813 (+363)
10K → 15K
24:31 | 7:53/mi
20K· 12.43 mi
1:38:56
Rank: #15639 (+174)
15K → 20K
24:57 | 8:02/mi
Half· 13.11 mi
1:44:25
Rank: #15665 (-26)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:03:56
Rank: #15381 (+284)
Half → 25K
19:31 | 8:03/mi
30K· 18.64 mi
2:30:17
Rank: #15227 (+154)
25K → 30K
26:21 | 8:29/mi
20M
2:42:13
Rank: #15228 (-1)
30K → 20M
11:56 | 8:47/mi
21M
2:51:36
Rank: #15180 (+48)
20M → 21M
9:23 | 9:23/mi
35K· 21.75 mi
2:58:18
Rank: #15288 (-108)
21M → 35K
6:42 | 8:57/mi
23M
3:09:29
Rank: #15298 (-10)
35K → 23M
11:11 | 8:56/mi
24M
3:18:14
Rank: #15319 (-21)
23M → 24M
8:45 | 8:45/mi
40K· 24.85 mi
3:25:42
Rank: #15280 (+39)
24M → 40K
7:28 | 8:44/mi
25.2M
3:28:57
Rank: #15261 (+19)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:37:48
Rank: #15335 (-74)
25.2M → Finish
8:51 | 8:41/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
Time1:44:25
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2424:548:0124:54
8:01
-
10K
6.21 mi11:39:5849:287:5824:34
7:54
-0:07
15K
9.32 mi12:04:291:13:597:5624:31
7:53
-0:01
20K
12.43 mi12:29:261:38:567:5824:57
8:02
+0:09
Half
13.11 mi12:34:551:44:257:585:29
8:02
0:00
25K
15.53 mi12:54:262:03:567:5919:31
8:03
+0:01
30K
18.64 mi13:20:472:30:178:0426:21
8:29
+0:26
20M
20.00 mi13:32:432:42:138:0711:56
8:47
+0:18
21M
21.00 mi13:42:062:51:368:109:23
9:23
+0:36
35K
21.75 mi13:48:482:58:188:126:42
8:57
-0:26
23M
23.00 mi13:59:593:09:298:1411:11
8:56
-0:01
24M
24.00 mi14:08:443:18:148:168:45
8:45
-0:11
40K
24.85 mi14:16:123:25:428:177:28
8:44
-0:01
25.2M
25.20 mi14:19:273:28:578:183:15
9:25
+0:41
Finish
26.22 mi14:28:183:37:488:198:51
8:41
-0:44

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

7:53 /mi

Average Pace

8:19 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:17

69% of race

Time at Steady Pace

54:53

25% of race

Time at Slower Pace

12:38

6% of race

Average Pace: 8:18 /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 mi11:15:2424:548:0124:54
8:01
#16690
10K
6.21 mi11:39:5849:287:5824:34
7:54
#16176
15K
9.32 mi12:04:291:13:597:5624:31
7:53
#15813
20K
12.43 mi12:29:261:38:567:5824:57
8:02
#15639
Half
13.11 mi12:34:551:44:257:585:29
8:02
#15665
25K
15.53 mi12:54:262:03:567:5919:31
8:03
#15381
30K
18.64 mi13:20:472:30:178:0426:21
8:29
#15227
20M
20.00 mi13:32:432:42:138:0711:56
8:47
#15228
21M
21.00 mi13:42:062:51:368:109:23
9:23
#15180
35K
21.75 mi13:48:482:58:188:126:42
8:57
#15288
23M
23.00 mi13:59:593:09:298:1411:11
8:56
#15298
24M
24.00 mi14:08:443:18:148:168:45
8:45
#15319
40K
24.85 mi14:16:123:25:428:177:28
8:44
#15280
25.2M
25.20 mi14:19:273:28:578:183:15
9:25
#15261
Finish
26.22 mi14:28:183:37:488:198:51
8:41
#15335
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16690110691106915154(Top 53%)10442(Top 65%)10442(Top 634%)
10K6.21 mi3.10 mi16176+51410879+19010879+19015705(Top 55%)10711(Top 67%)10711(Top 650%)
15K9.32 mi3.11 mi15813+36310745+13410745+13415154(Top 53%)10442(Top 65%)10442(Top 634%)
20K12.43 mi3.11 mi15639+17410640+10510640+10515144(Top 53%)10384(Top 64%)10384(Top 630%)
Half13.11 mi0.68 mi15665-2610647-710647-716140(Top 57%)10813(Top 67%)10813(Top 656%)
25K15.53 mi2.42 mi15381+28410513+13410513+13414262(Top 50%)9880(Top 61%)9880(Top 600%)
30K18.64 mi3.11 mi15227+15410396+11710396+11714628(Top 51%)9895(Top 61%)9895(Top 600%)
20M20.00 mi1.36 mi15228-110360+3610360+3615536(Top 55%)10172(Top 63%)10172(Top 617%)
21M21.00 mi1.00 mi15180+4810313+4710313+4715527(Top 55%)10017(Top 62%)10017(Top 608%)
35K21.75 mi0.75 mi15288-10810345-3210345-3217985(Top 63%)11038(Top 69%)11038(Top 670%)
23M23.00 mi1.25 mi15298-1010302+4310302+4315855(Top 56%)10003(Top 62%)10003(Top 607%)
24M24.00 mi1.00 mi15319-2110284+1810284+1815995(Top 56%)10025(Top 62%)10025(Top 608%)
40K24.85 mi0.85 mi15280+3910235+4910235+4914788(Top 52%)9343(Top 58%)9343(Top 567%)
25.2M25.20 mi0.35 mi15261+1910211+2410211+2414111(Top 50%)8996(Top 56%)8996(Top 546%)
Finish26.22 mi1.02 mi15335-7410228-1710228-1717360(Top 61%)10573(Top 66%)10573(Top 642%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

15154

Males

10442

M55-59

10442

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

15705

Males

10711

M55-59

10711

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

15154

Males

10442

M55-59

10442

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

15144

Males

10384

M55-59

10384

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

16140

Males

10813

M55-59

10813

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14262

Males

9880

M55-59

9880

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

14628

Males

9895

M55-59

9895

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15536

Males

10172

M55-59

10172

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

15527

Males

10017

M55-59

10017

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17985

Males

11038

M55-59

11038

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

15855

Males

10003

M55-59

10003

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15995

Males

10025

M55-59

10025

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14788

Males

9343

M55-59

9343

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14111

Males

8996

M55-59

8996

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17360

Males

10573

M55-59

10573

Passing Analysis

Category:
Athletes Passed
2605
Passed By
1250
Net Change
+1355
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16690
5K → 10K614100+514#16690#16176
10K → 15K43370+363#16176#15813
15K → 20K290116+174#15813#15639
20K → Half2147-26#15639#15665
Half → 25K32945+284#15665#15381
25K → 30K302148+154#15381#15227
30K → 20M118119-1#15227#15228
20M → 21M13183+48#15228#15180
21M → 35K40148-108#15180#15288
35K → 23M103113-10#15288#15298
23M → 24M6485-21#15298#15319
24M → 40K8950+39#15319#15280
40K → 25.2M4223+19#15280#15261
25.2M → Finish29103-74#15261#15335
TOTALS26051250+1355
📊

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