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BOSTON MARATHON 2025

Ryan Osterloh

Bib: 2434•M

UT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 47%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:20
Rank: #4157
Start → 5K
20:20 | 6:33/mi
10K· 6.21 mi
41:02
Rank: #4528 (-371)
5K → 10K
20:42 | 6:40/mi
15K· 9.32 mi
1:01:48
Rank: #4631 (-103)
10K → 15K
20:46 | 6:41/mi
20K· 12.43 mi
1:22:39
Rank: #4552 (+79)
15K → 20K
20:51 | 6:43/mi
Half· 13.11 mi
1:27:13
Rank: #4578 (-26)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:43:30
Rank: #4488 (+90)
Half → 25K
16:17 | 6:43/mi
30K· 18.64 mi
2:04:46
Rank: #4256 (+232)
25K → 30K
21:16 | 6:51/mi
20M
2:14:02
Rank: #4117 (+139)
30K → 20M
9:16 | 6:49/mi
21M
2:21:10
Rank: #4013 (+104)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:26:12
Rank: #3965 (+48)
21M → 35K
5:02 | 6:44/mi
23M
2:34:59
Rank: #3937 (+28)
35K → 23M
8:47 | 7:01/mi
24M
2:41:49
Rank: #3908 (+29)
23M → 24M
6:50 | 6:50/mi
40K· 24.85 mi
2:47:54
Rank: #3899 (+9)
24M → 40K
6:05 | 7:07/mi
25.2M
2:50:39
Rank: #3926 (-27)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
2:57:41
Rank: #3946 (-20)
25.2M → Finish
7:02 | 6:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:13
Pace6:39 /mi
2nd Half
Distance13.11 mi
Time1:30:28
Pace6:54 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0520:206:3320:20
6:33
-
10K
6.21 mi10:42:4741:026:3620:42
6:40
+0:07
15K
9.32 mi11:03:331:01:486:3820:46
6:41
+0:01
20K
12.43 mi11:24:241:22:396:3920:51
6:43
+0:02
Half
13.11 mi11:28:581:27:136:394:34
6:42
-0:01
25K
15.53 mi11:45:151:43:306:4016:17
6:43
+0:01
30K
18.64 mi12:06:312:04:466:4221:16
6:51
+0:08
20M
20.00 mi12:15:472:14:026:429:16
6:49
-0:02
21M
21.00 mi12:22:552:21:106:437:08
7:08
+0:19
35K
21.75 mi12:27:572:26:126:435:02
6:44
-0:24
23M
23.00 mi12:36:442:34:596:448:47
7:01
+0:17
24M
24.00 mi12:43:342:41:496:456:50
6:50
-0:11
40K
24.85 mi12:49:392:47:546:456:05
7:07
+0:17
25.2M
25.20 mi12:52:242:50:396:462:45
7:58
+0:51
Finish
26.22 mi12:59:262:57:416:477:02
6:54
-1:04

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

6:33 /mi

Average Pace

6:47 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:20

11% of race

Time at Steady Pace

2:12:36

75% of race

Time at Slower Pace

24:45

14% of race

Average Pace: 6:47 /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 mi10:22:0520:206:3320:20
6:33
#4157
10K
6.21 mi10:42:4741:026:3620:42
6:40
#4528
15K
9.32 mi11:03:331:01:486:3820:46
6:41
#4631
20K
12.43 mi11:24:241:22:396:3920:51
6:43
#4552
Half
13.11 mi11:28:581:27:136:394:34
6:42
#4578
25K
15.53 mi11:45:151:43:306:4016:17
6:43
#4488
30K
18.64 mi12:06:312:04:466:4221:16
6:51
#4256
20M
20.00 mi12:15:472:14:026:429:16
6:49
#4117
21M
21.00 mi12:22:552:21:106:437:08
7:08
#4013
35K
21.75 mi12:27:572:26:126:435:02
6:44
#3965
23M
23.00 mi12:36:442:34:596:448:47
7:01
#3937
24M
24.00 mi12:43:342:41:496:456:50
6:50
#3908
40K
24.85 mi12:49:392:47:546:456:05
7:07
#3899
25.2M
25.20 mi12:52:242:50:396:462:45
7:58
#3926
Finish
26.22 mi12:59:262:57:416:477:02
6:54
#3946
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4157391839184924(Top 17%)4587(Top 28%)4587(Top 81%)
10K6.21 mi3.10 mi4528-3714254-3364254-3364983(Top 18%)4649(Top 29%)4649(Top 82%)
15K9.32 mi3.11 mi4631-1034337-834337-834924(Top 17%)4587(Top 28%)4587(Top 81%)
20K12.43 mi3.11 mi4552+794261+764261+764510(Top 16%)4197(Top 26%)4197(Top 74%)
Half13.11 mi0.68 mi4578-264281-204281-205147(Top 18%)4742(Top 29%)4742(Top 84%)
25K15.53 mi2.42 mi4488+904198+834198+834238(Top 15%)3934(Top 24%)3934(Top 70%)
30K18.64 mi3.11 mi4256+2323984+2143984+2143708(Top 13%)3430(Top 21%)3430(Top 61%)
20M20.00 mi1.36 mi4117+1393855+1293855+1293040(Top 11%)2830(Top 18%)2830(Top 50%)
21M21.00 mi1.00 mi4013+1043757+983757+982825(Top 10%)2619(Top 16%)2619(Top 46%)
35K21.75 mi0.75 mi3965+483708+493708+493658(Top 13%)3305(Top 21%)3305(Top 59%)
23M23.00 mi1.25 mi3937+283673+353673+353821(Top 13%)3434(Top 21%)3434(Top 61%)
24M24.00 mi1.00 mi3908+293636+373636+373683(Top 13%)3279(Top 20%)3279(Top 58%)
40K24.85 mi0.85 mi3899+93621+153621+154537(Top 16%)3869(Top 24%)3869(Top 69%)
25.2M25.20 mi0.35 mi3926-273644-233644-235724(Top 20%)4549(Top 28%)4549(Top 81%)
Finish26.22 mi1.02 mi3946-203647-33647-35057(Top 18%)4145(Top 26%)4145(Top 73%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4924

Males

4587

M18-39

4587

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4983

Males

4649

M18-39

4649

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4924

Males

4587

M18-39

4587

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4510

Males

4197

M18-39

4197

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5147

Males

4742

M18-39

4742

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4238

Males

3934

M18-39

3934

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3708

Males

3430

M18-39

3430

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3040

Males

2830

M18-39

2830

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2825

Males

2619

M18-39

2619

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3658

Males

3305

M18-39

3305

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3821

Males

3434

M18-39

3434

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3683

Males

3279

M18-39

3279

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4537

Males

3869

M18-39

3869

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5724

Males

4549

M18-39

4549

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5057

Males

4145

M18-39

4145

Passing Analysis

Category:
Athletes Passed
1259
Passed By
1048
Net Change
+211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4157
5K → 10K36407-371#4157#4528
10K → 15K71174-103#4528#4631
15K → 20K15172+79#4631#4552
20K → Half1137-26#4552#4578
Half → 25K14656+90#4578#4488
25K → 30K27038+232#4488#4256
30K → 20M14910+139#4256#4117
20M → 21M11612+104#4117#4013
21M → 35K6113+48#4013#3965
35K → 23M7951+28#3965#3937
23M → 24M6435+29#3937#3908
24M → 40K4738+9#3908#3899
40K → 25.2M1037-27#3899#3926
25.2M → Finish4868-20#3926#3946
TOTALS12591048+211
📊

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