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BOSTON MARATHON 2025

Erik Rostholder

Bib: 25890•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:20
Rank: #24999
Start → 5K
30:20 | 9:46/mi
10K· 6.21 mi
1:00:51
Rank: #24953 (+46)
5K → 10K
30:31 | 9:49/mi
15K· 9.32 mi
1:31:35
Rank: #24875 (+78)
10K → 15K
30:44 | 9:54/mi
20K· 12.43 mi
2:02:53
Rank: #24731 (+144)
15K → 20K
31:18 | 10:04/mi
Half· 13.11 mi
2:09:39
Rank: #24721 (+10)
20K → Half
6:46 | 9:55/mi
25K· 15.53 mi
2:34:31
Rank: #24605 (+116)
Half → 25K
24:52 | 10:15/mi
30K· 18.64 mi
3:08:41
Rank: #24498 (+107)
25K → 30K
34:10 | 11:00/mi
20M
3:23:39
Rank: #24453 (+45)
30K → 20M
14:58 | 11:01/mi
21M
3:35:36
Rank: #24377 (+76)
20M → 21M
11:57 | 11:57/mi
35K· 21.75 mi
3:43:18
Rank: #24324 (+53)
21M → 35K
7:42 | 10:18/mi
23M
3:56:19
Rank: #24187 (+137)
35K → 23M
13:01 | 10:24/mi
24M
4:06:33
Rank: #24103 (+84)
23M → 24M
10:14 | 10:14/mi
40K· 24.85 mi
4:16:12
Rank: #24104 (-1)
24M → 40K
9:39 | 11:17/mi
25.2M
4:20:16
Rank: #24087 (+17)
40K → 25.2M
4:04 | 11:48/mi
Finish· 26.22 mi
4:30:20
Rank: #24052 (+35)
25.2M → Finish
10:04 | 9:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:09:39
Pace9:53 /mi
2nd Half
Distance13.11 mi
Time2:20:41
Pace10:44 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3830:209:4630:20
9:46
-
10K
6.21 mi12:19:091:00:519:4830:31
9:49
+0:03
15K
9.32 mi12:49:531:31:359:5030:44
9:54
+0:05
20K
12.43 mi13:21:112:02:539:5331:18
10:04
+0:10
Half
13.11 mi13:27:572:09:399:536:46
9:55
-0:09
25K
15.53 mi13:52:492:34:319:5724:52
10:15
+0:20
30K
18.64 mi14:26:593:08:4110:0734:10
11:00
+0:45
20M
20.00 mi14:41:573:23:3910:1114:58
11:01
+0:01
21M
21.00 mi14:53:543:35:3610:1611:57
11:57
+0:56
35K
21.75 mi15:01:363:43:1810:167:42
10:18
-1:39
23M
23.00 mi15:14:373:56:1910:1613:01
10:24
+0:06
24M
24.00 mi15:24:514:06:3310:1610:14
10:14
-0:10
40K
24.85 mi15:34:304:16:1210:189:39
11:17
+1:03
25.2M
25.20 mi15:38:344:20:1610:204:04
11:48
+0:31
Finish
26.22 mi15:48:384:30:2010:1910:04
9:53
-1:55

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

9:46 /mi

Average Pace

10:19 /mi

Slowest Pace

11:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:55

26% of race

Time at Steady Pace

2:04:37

46% of race

Time at Slower Pace

1:14:48

28% of race

Average Pace: 10:19 /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 mi11:48:3830:209:4630:20
9:46
#24999
10K
6.21 mi12:19:091:00:519:4830:31
9:49
#24953
15K
9.32 mi12:49:531:31:359:5030:44
9:54
#24875
20K
12.43 mi13:21:112:02:539:5331:18
10:04
#24731
Half
13.11 mi13:27:572:09:399:536:46
9:55
#24721
25K
15.53 mi13:52:492:34:319:5724:52
10:15
#24605
30K
18.64 mi14:26:593:08:4110:0734:10
11:00
#24498
20M
20.00 mi14:41:573:23:3910:1114:58
11:01
#24453
21M
21.00 mi14:53:543:35:3610:1611:57
11:57
#24377
35K
21.75 mi15:01:363:43:1810:167:42
10:18
#24324
23M
23.00 mi15:14:373:56:1910:1613:01
10:24
#24187
24M
24.00 mi15:24:514:06:3310:1610:14
10:14
#24103
40K
24.85 mi15:34:304:16:1210:189:39
11:17
#24104
25.2M
25.20 mi15:38:344:20:1610:204:04
11:48
#24087
Finish
26.22 mi15:48:384:30:2010:1910:04
9:53
#24052
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24999147271472724756(Top 87%)14605(Top 91%)14605(Top 612%)
10K6.21 mi3.10 mi24953+4614685+4214685+4224909(Top 88%)14660(Top 91%)14660(Top 614%)
15K9.32 mi3.11 mi24875+7814657+2814657+2824756(Top 87%)14605(Top 91%)14605(Top 612%)
20K12.43 mi3.11 mi24731+14414580+7714580+7724393(Top 86%)14402(Top 89%)14402(Top 604%)
Half13.11 mi0.68 mi24721+1014576+414576+424648(Top 87%)14500(Top 90%)14500(Top 608%)
25K15.53 mi2.42 mi24605+11614507+6914507+6923843(Top 84%)14124(Top 88%)14124(Top 592%)
30K18.64 mi3.11 mi24498+10714432+7514432+7523997(Top 84%)14071(Top 87%)14071(Top 590%)
20M20.00 mi1.36 mi24453+4514403+2914403+2923599(Top 83%)13805(Top 86%)13805(Top 579%)
21M21.00 mi1.00 mi24377+7614345+5814345+5823503(Top 83%)13683(Top 85%)13683(Top 573%)
35K21.75 mi0.75 mi24324+5314313+3214313+3222668(Top 80%)13242(Top 82%)13242(Top 555%)
23M23.00 mi1.25 mi24187+13714225+8814225+8821721(Top 76%)12742(Top 79%)12742(Top 534%)
24M24.00 mi1.00 mi24103+8414170+5514170+5522035(Top 78%)12832(Top 80%)12832(Top 538%)
40K24.85 mi0.85 mi24104-114156+1414156+1423735(Top 84%)13629(Top 85%)13629(Top 571%)
25.2M25.20 mi0.35 mi24087+1714146+1014146+1022761(Top 80%)13164(Top 82%)13164(Top 552%)
Finish26.22 mi1.02 mi24052+3514124+2214124+2222557(Top 79%)13061(Top 81%)13061(Top 547%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

24756

Males

14605

M45-49

14605

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24909

Males

14660

M45-49

14660

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

24756

Males

14605

M45-49

14605

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24393

Males

14402

M45-49

14402

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24648

Males

14500

M45-49

14500

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23843

Males

14124

M45-49

14124

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

23997

Males

14071

M45-49

14071

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

23599

Males

13805

M45-49

13805

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

23503

Males

13683

M45-49

13683

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22668

Males

13242

M45-49

13242

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21721

Males

12742

M45-49

12742

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22035

Males

12832

M45-49

12832

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23735

Males

13629

M45-49

13629

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22761

Males

13164

M45-49

13164

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

22557

Males

13061

M45-49

13061

Passing Analysis

Category:
Athletes Passed
1576
Passed By
629
Net Change
+947
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24999
5K → 10K214168+46#24999#24953
10K → 15K16486+78#24953#24875
15K → 20K20864+144#24875#24731
20K → Half3222+10#24731#24721
Half → 25K15337+116#24721#24605
25K → 30K18174+107#24605#24498
30K → 20M8237+45#24498#24453
20M → 21M11034+76#24453#24377
21M → 35K629+53#24377#24324
35K → 23M14710+137#24324#24187
23M → 24M9713+84#24187#24103
24M → 40K4546-1#24103#24104
40K → 25.2M269+17#24104#24087
25.2M → Finish5520+35#24087#24052
TOTALS1576629+947
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing