Boston Marathon logo
BOSTON MARATHON 2025

Jason Racey

Bib: 9739•M

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M45-49)
#0 / 2386
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:53
Rank: #8152
Start → 5K
21:53 | 7:03/mi
10K· 6.21 mi
43:14
Rank: #7572 (+580)
5K → 10K
21:21 | 6:52/mi
15K· 9.32 mi
1:04:49
Rank: #7463 (+109)
10K → 15K
21:35 | 6:57/mi
20K· 12.43 mi
1:27:30
Rank: #7767 (-304)
15K → 20K
22:41 | 7:18/mi
Half· 13.11 mi
1:32:26
Rank: #7837 (-70)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:50:34
Rank: #8054 (-217)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:14:47
Rank: #8258 (-204)
25K → 30K
24:13 | 7:48/mi
20M
2:25:33
Rank: #8358 (-100)
30K → 20M
10:46 | 7:55/mi
21M
2:34:06
Rank: #8446 (-88)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:39:43
Rank: #8421 (+25)
21M → 35K
5:37 | 7:30/mi
23M
2:49:47
Rank: #8470 (-49)
35K → 23M
10:04 | 8:02/mi
24M
2:57:37
Rank: #8528 (-58)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
3:04:44
Rank: #8651 (-123)
24M → 40K
7:07 | 8:19/mi
25.2M
3:08:06
Rank: #8788 (-137)
40K → 25.2M
3:22 | 9:46/mi
Finish· 26.22 mi
3:16:51
Rank: #9148 (-360)
25.2M → Finish
8:45 | 8:35/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
Time1:32:26
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:44:25
Pace7:58 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3821:537:0321:53
7:03
-
10K
6.21 mi11:09:5943:146:5721:21
6:52
-0:11
15K
9.32 mi11:31:341:04:496:5721:35
6:57
+0:05
20K
12.43 mi11:54:151:27:307:0222:41
7:18
+0:21
Half
13.11 mi11:59:111:32:267:034:56
7:14
-0:04
25K
15.53 mi12:17:191:50:347:0718:08
7:29
+0:15
30K
18.64 mi12:41:322:14:477:1424:13
7:48
+0:19
20M
20.00 mi12:52:182:25:337:1710:46
7:55
+0:07
21M
21.00 mi13:00:512:34:067:208:33
8:33
+0:38
35K
21.75 mi13:06:282:39:437:215:37
7:30
-1:03
23M
23.00 mi13:16:322:49:477:2310:04
8:02
+0:32
24M
24.00 mi13:24:222:57:377:247:50
7:50
-0:12
40K
24.85 mi13:31:293:04:447:267:07
8:19
+0:29
25.2M
25.20 mi13:34:513:08:067:283:22
9:46
+1:27
Finish
26.22 mi13:43:363:16:517:318:45
8:35
-1:11

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

6:52 /mi

Average Pace

7:31 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:26

47% of race

Time at Steady Pace

1:16:38

39% of race

Time at Slower Pace

27:47

14% of race

Average Pace: 7:30 /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 mi10:48:3821:537:0321:53
7:03
#8152
10K
6.21 mi11:09:5943:146:5721:21
6:52
#7572
15K
9.32 mi11:31:341:04:496:5721:35
6:57
#7463
20K
12.43 mi11:54:151:27:307:0222:41
7:18
#7767
Half
13.11 mi11:59:111:32:267:034:56
7:14
#7837
25K
15.53 mi12:17:191:50:347:0718:08
7:29
#8054
30K
18.64 mi12:41:322:14:477:1424:13
7:48
#8258
20M
20.00 mi12:52:182:25:337:1710:46
7:55
#8358
21M
21.00 mi13:00:512:34:067:208:33
8:33
#8446
35K
21.75 mi13:06:282:39:437:215:37
7:30
#8421
23M
23.00 mi13:16:322:49:477:2310:04
8:02
#8470
24M
24.00 mi13:24:222:57:377:247:50
7:50
#8528
40K
24.85 mi13:31:293:04:447:267:07
8:19
#8651
25.2M
25.20 mi13:34:513:08:067:283:22
9:46
#8788
Finish
26.22 mi13:43:363:16:517:318:45
8:35
#9148
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8152709970997282(Top 26%)6460(Top 40%)6460(Top 271%)
10K6.21 mi3.10 mi7572+5806705+3946705+3947047(Top 25%)6313(Top 39%)6313(Top 265%)
15K9.32 mi3.11 mi7463+1096622+836622+837282(Top 26%)6460(Top 40%)6460(Top 271%)
20K12.43 mi3.11 mi7767-3046812-1906812-1909051(Top 32%)7476(Top 46%)7476(Top 313%)
Half13.11 mi0.68 mi7837-706850-386850-389304(Top 33%)7647(Top 47%)7647(Top 320%)
25K15.53 mi2.42 mi8054-2176962-1126962-1129775(Top 34%)7740(Top 48%)7740(Top 324%)
30K18.64 mi3.11 mi8258-2047035-737035-739886(Top 35%)7621(Top 47%)7621(Top 319%)
20M20.00 mi1.36 mi8358-1007066-317066-319892(Top 35%)7473(Top 46%)7473(Top 313%)
21M21.00 mi1.00 mi8446-887078-127078-1210762(Top 38%)7742(Top 48%)7742(Top 324%)
35K21.75 mi0.75 mi8421+257038+407038+408658(Top 30%)6667(Top 41%)6667(Top 279%)
23M23.00 mi1.25 mi8470-497027+117027+1110293(Top 36%)7377(Top 46%)7377(Top 309%)
24M24.00 mi1.00 mi8528-587029-27029-210021(Top 35%)7170(Top 45%)7170(Top 301%)
40K24.85 mi0.85 mi8651-1237059-307059-3012254(Top 43%)8161(Top 51%)8161(Top 342%)
25.2M25.20 mi0.35 mi8788-1377122-637122-6315829(Top 56%)9766(Top 61%)9766(Top 409%)
Finish26.22 mi1.02 mi9148-3607292-1707292-17016732(Top 59%)10259(Top 64%)10259(Top 430%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7282

Males

6460

M45-49

6460

5K→10K

3.1 - 6.2 mi

Top 25%
×5stories
+79ft-138ft

Overall

7047

Males

6313

M45-49

6313

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7282

Males

6460

M45-49

6460

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9051

Males

7476

M45-49

7476

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9304

Males

7647

M45-49

7647

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9775

Males

7740

M45-49

7740

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9886

Males

7621

M45-49

7621

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9892

Males

7473

M45-49

7473

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10762

Males

7742

M45-49

7742

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8658

Males

6667

M45-49

6667

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10293

Males

7377

M45-49

7377

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

10021

Males

7170

M45-49

7170

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12254

Males

8161

M45-49

8161

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15829

Males

9766

M45-49

9766

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2stories
+22ft-21ft

Overall

16732

Males

10259

M45-49

10259

Passing Analysis

Category:
Athletes Passed
1529
Passed By
2525
Net Change
-996
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8152
5K → 10K61838+580#8152#7572
10K → 15K18980+109#7572#7463
15K → 20K57361-304#7463#7767
20K → Half979-70#7767#7837
Half → 25K69286-217#7837#8054
25K → 30K130334-204#8054#8258
30K → 20M70170-100#8258#8358
20M → 21M69157-88#8358#8446
21M → 35K7045+25#8446#8421
35K → 23M102151-49#8421#8470
23M → 24M59117-58#8470#8528
24M → 40K58181-123#8528#8651
40K → 25.2M10147-137#8651#8788
25.2M → Finish19379-360#8788#9148
TOTALS15292525-996
📊

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