Boston Marathon logo
BOSTON MARATHON 2025

Udo Reim

Bib: 20145•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:56
Rank: #16782
Start → 5K
24:56 | 8:02/mi
10K· 6.21 mi
50:01
Rank: #16897 (-115)
5K → 10K
25:05 | 8:04/mi
15K· 9.32 mi
1:16:39
Rank: #17913 (-1016)
10K → 15K
26:38 | 8:34/mi
20K· 12.43 mi
1:43:04
Rank: #17959 (-46)
15K → 20K
26:25 | 8:30/mi
Half· 13.11 mi
1:48:42
Rank: #17926 (+33)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:09:51
Rank: #17976 (-50)
Half → 25K
21:09 | 8:43/mi
30K· 18.64 mi
2:38:24
Rank: #18092 (-116)
25K → 30K
28:33 | 9:11/mi
20M
2:51:14
Rank: #18164 (-72)
30K → 20M
12:50 | 9:27/mi
21M
3:01:23
Rank: #18233 (-69)
20M → 21M
10:09 | 10:09/mi
35K· 21.75 mi
3:08:23
Rank: #18293 (-60)
21M → 35K
7:00 | 9:21/mi
23M
3:20:17
Rank: #18324 (-31)
35K → 23M
11:54 | 9:30/mi
24M
3:29:23
Rank: #18281 (+43)
23M → 24M
9:06 | 9:06/mi
40K· 24.85 mi
3:37:15
Rank: #18254 (+27)
24M → 40K
7:52 | 9:12/mi
25.2M
3:40:36
Rank: #18224 (+30)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:49:17
Rank: #18153 (+71)
25.2M → Finish
8:41 | 8:31/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
Time1:48:42
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time2:00:35
Pace9:12 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4824:568:0224:56
8:02
-
10K
6.21 mi11:41:5350:018:0325:05
8:04
+0:02
15K
9.32 mi12:08:311:16:398:1326:38
8:34
+0:30
20K
12.43 mi12:34:561:43:048:1826:25
8:30
-0:04
Half
13.11 mi12:40:341:48:428:175:38
8:15
-0:15
25K
15.53 mi13:01:432:09:518:2221:09
8:43
+0:28
30K
18.64 mi13:30:162:38:248:3028:33
9:11
+0:28
20M
20.00 mi13:43:062:51:148:3412:50
9:27
+0:16
21M
21.00 mi13:53:153:01:238:3810:09
10:09
+0:42
35K
21.75 mi14:00:153:08:238:407:00
9:21
-0:48
23M
23.00 mi14:12:093:20:178:4211:54
9:30
+0:09
24M
24.00 mi14:21:153:29:238:439:06
9:06
-0:24
40K
24.85 mi14:29:073:37:158:447:52
9:12
+0:06
25.2M
25.20 mi14:32:283:40:368:453:21
9:43
+0:31
Finish
26.22 mi14:41:093:49:178:458:41
8:31
-1:12

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

8:45 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:18:32

60% of race

Time at Steady Pace

52:31

23% of race

Time at Slower Pace

38:14

17% of race

Average Pace: 8:45 /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 mi11:16:4824:568:0224:56
8:02
#16782
10K
6.21 mi11:41:5350:018:0325:05
8:04
#16897
15K
9.32 mi12:08:311:16:398:1326:38
8:34
#17913
20K
12.43 mi12:34:561:43:048:1826:25
8:30
#17959
Half
13.11 mi12:40:341:48:428:175:38
8:15
#17926
25K
15.53 mi13:01:432:09:518:2221:09
8:43
#17976
30K
18.64 mi13:30:162:38:248:3028:33
9:11
#18092
20M
20.00 mi13:43:062:51:148:3412:50
9:27
#18164
21M
21.00 mi13:53:153:01:238:3810:09
10:09
#18233
35K
21.75 mi14:00:153:08:238:407:00
9:21
#18293
23M
23.00 mi14:12:093:20:178:4211:54
9:30
#18324
24M
24.00 mi14:21:153:29:238:439:06
9:06
#18281
40K
24.85 mi14:29:073:37:158:447:52
9:12
#18254
25.2M
25.20 mi14:32:283:40:368:453:21
9:43
#18224
Finish
26.22 mi14:41:093:49:178:458:41
8:31
#18153
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16782111121111219755(Top 70%)12396(Top 77%)12396(Top 985%)
10K6.21 mi3.10 mi16897-11511186-7411186-7417007(Top 60%)11251(Top 70%)11251(Top 894%)
15K9.32 mi3.11 mi17913-101611587-40111587-40119755(Top 70%)12396(Top 77%)12396(Top 985%)
20K12.43 mi3.11 mi17959-4611592-511592-518251(Top 64%)11724(Top 73%)11724(Top 931%)
Half13.11 mi0.68 mi17926+3311578+1411578+1417617(Top 62%)11459(Top 71%)11459(Top 910%)
25K15.53 mi2.42 mi17976-5011581-311581-318523(Top 65%)11753(Top 73%)11753(Top 934%)
30K18.64 mi3.11 mi18092-11611591-1011591-1018597(Top 65%)11658(Top 72%)11658(Top 926%)
20M20.00 mi1.36 mi18164-7211600-911600-918893(Top 67%)11635(Top 72%)11635(Top 924%)
21M21.00 mi1.00 mi18233-6911609-911609-918842(Top 66%)11534(Top 72%)11534(Top 916%)
35K21.75 mi0.75 mi18293-6011621-1211621-1219775(Top 70%)11859(Top 74%)11859(Top 942%)
23M23.00 mi1.25 mi18324-3111607+1411607+1418712(Top 66%)11307(Top 70%)11307(Top 898%)
24M24.00 mi1.00 mi18281+4311557+5011557+5017858(Top 63%)10861(Top 67%)10861(Top 863%)
40K24.85 mi0.85 mi18254+2711518+3911518+3917329(Top 61%)10522(Top 65%)10522(Top 836%)
25.2M25.20 mi0.35 mi18224+3011492+2611492+2615658(Top 55%)9724(Top 60%)9724(Top 772%)
Finish26.22 mi1.02 mi18153+7111450+4211450+4216341(Top 58%)10090(Top 63%)10090(Top 801%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

19755

Males

12396

M60-64

12396

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

17007

Males

11251

M60-64

11251

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

19755

Males

12396

M60-64

12396

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18251

Males

11724

M60-64

11724

20K→Half

12.4 - 13.1 mi

Top 62%
×2stories
+19ft-37ft

Overall

17617

Males

11459

M60-64

11459

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18523

Males

11753

M60-64

11753

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18597

Males

11658

M60-64

11658

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

18893

Males

11635

M60-64

11635

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18842

Males

11534

M60-64

11534

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

19775

Males

11859

M60-64

11859

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18712

Males

11307

M60-64

11307

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

17858

Males

10861

M60-64

10861

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17329

Males

10522

M60-64

10522

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15658

Males

9724

M60-64

9724

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

16341

Males

10090

M60-64

10090

Passing Analysis

Category:
Athletes Passed
1489
Passed By
2860
Net Change
-1371
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16782
5K → 10K247362-115#16782#16897
10K → 15K331049-1016#16897#17913
15K → 20K172218-46#17913#17959
20K → Half5219+33#17959#17926
Half → 25K156206-50#17926#17976
25K → 30K203319-116#17976#18092
30K → 20M95167-72#18092#18164
20M → 21M77146-69#18164#18233
21M → 35K42102-60#18233#18293
35K → 23M97128-31#18293#18324
23M → 24M9451+43#18324#18281
24M → 40K7245+27#18281#18254
40K → 25.2M4717+30#18254#18224
25.2M → Finish10231+71#18224#18153
TOTALS14892860-1371
📊

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