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BOSTON MARATHON 2025

Eric Ostermeier

Bib: 11769•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:34/mi
26:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:37/mi
53:24
↑ 79↓ 1380.4%
15K· 9.32 mi
8:30/mi
1:19:48
↑ 67↓ 78
20K· 12.43 mi
8:27/mi
1:46:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:51:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:28/mi
2:12:16
↑ 66↓ 880.2%
30K· 18.64 mi
8:39/mi
2:39:07
↑ 181↓ 1480.2%
20M
8:32/mi
2:50:43
↑ 64↓ 500.2%
21M
8:46/mi
2:59:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:11/mi
3:05:36
↑ 17↓ 861.7%
23M
8:14/mi
3:15:55
↑ 23↓ 630.6%
24M
7:43/mi
3:23:38
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:30:12
↓ 200.3%
25.2M
8:01/mi
3:32:58
↑ 13↓ 160.2%
Finish· 26.22 mi
6:55/mi
3:40:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:51:45
Pace8:31 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:48:16
Pace8:16 /mi
📊Negative Split: 3.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:59:2626:378:3426:37
8:34
-
10K
6.21 mi11:26:1353:248:3626:47
8:37
+0:03
15K
9.32 mi11:52:371:19:488:3426:24
8:30
-0:07
20K
12.43 mi12:18:521:46:038:3226:15
8:27
-0:03
Half
13.11 mi12:24:341:51:458:315:42
8:21
-0:06
25K
15.53 mi12:45:052:12:168:3120:31
8:28
+0:07
30K
18.64 mi13:11:562:39:078:3226:51
8:39
+0:11
20M
20.00 mi13:23:322:50:438:3211:36
8:32
-0:07
21M
21.00 mi13:32:182:59:298:338:46
8:46
+0:14
35K
21.75 mi13:38:253:05:368:326:07
8:11
-0:35
23M
23.00 mi13:48:443:15:558:3110:19
8:14
+0:03
24M
24.00 mi13:56:273:23:388:297:43
7:43
-0:31
40K
24.85 mi14:03:013:30:128:276:34
7:41
-0:02
25.2M
25.20 mi14:05:473:32:588:272:46
8:01
+0:20
Finish
26.22 mi14:12:503:40:018:247:03
6:55
-1:06

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

6:55 /mi

Average Pace

8:24 /mi

Slowest Pace

8:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:13

14% of race

Time at Steady Pace

3:01:02

82% of race

Time at Slower Pace

8:46

4% of race

Average Pace: 8:23 /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 mi10:59:2626:378:3426:37
8:34
#20272
10K
6.21 mi11:26:1353:248:3626:47
8:37
#20358
15K
9.32 mi11:52:371:19:488:3426:24
8:30
#20029
20K
12.43 mi12:18:521:46:038:3226:15
8:27
#19476
Half
13.11 mi12:24:341:51:458:315:42
8:21
#19416
25K
15.53 mi12:45:052:12:168:3120:31
8:28
#18986
30K
18.64 mi13:11:562:39:078:3226:51
8:39
#18353
20M
20.00 mi13:23:322:50:438:3211:36
8:32
#17997
21M
21.00 mi13:32:182:59:298:338:46
8:46
#17673
35K
21.75 mi13:38:253:05:368:326:07
8:11
#17501
23M
23.00 mi13:48:443:15:558:3110:19
8:14
#17131
24M
24.00 mi13:56:273:23:388:297:43
7:43
#16790
40K
24.85 mi14:03:013:30:128:276:34
7:41
#16445
25.2M
25.20 mi14:05:473:32:588:272:46
8:01
#16288
Finish
26.22 mi14:12:503:40:018:247:03
6:55
#15871
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi20272125481254819292(Top 68%)12176(Top 76%)12176(Top 610%)
10K6.21 mi3.10 mi20358-8612612-6412612-6420450(Top 72%)12675(Top 79%)12675(Top 635%)
15K9.32 mi3.11 mi20029+32912490+12212490+12219292(Top 68%)12176(Top 76%)12176(Top 610%)
20K12.43 mi3.11 mi19476+55312246+24412246+24417856(Top 63%)11540(Top 72%)11540(Top 578%)
Half13.11 mi0.68 mi19416+6012217+2912217+2918226(Top 64%)11704(Top 73%)11704(Top 586%)
25K15.53 mi2.42 mi18986+43012021+19612021+19616943(Top 60%)11073(Top 69%)11073(Top 555%)
30K18.64 mi3.11 mi18353+63311720+30111720+30115633(Top 55%)10346(Top 64%)10346(Top 518%)
20M20.00 mi1.36 mi17997+35611525+19511525+19514006(Top 49%)9456(Top 59%)9456(Top 474%)
21M21.00 mi1.00 mi17673+32411366+15911366+15912085(Top 43%)8420(Top 52%)8420(Top 422%)
35K21.75 mi0.75 mi17501+17211265+10111265+10113449(Top 47%)9025(Top 56%)9025(Top 452%)
23M23.00 mi1.25 mi17131+37011069+19611069+19611645(Top 41%)8073(Top 50%)8073(Top 404%)
24M24.00 mi1.00 mi16790+34110909+16010909+1609216(Top 32%)6776(Top 42%)6776(Top 339%)
40K24.85 mi0.85 mi16445+34510743+16610743+1667965(Top 28%)5985(Top 37%)5985(Top 300%)
25.2M25.20 mi0.35 mi16288+15710669+7410669+746094(Top 21%)4820(Top 30%)4820(Top 241%)
Finish26.22 mi1.02 mi15871+41710457+21210457+2125229(Top 18%)4277(Top 27%)4277(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

19292

Males

12176

M50-54

12176

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20450

Males

12675

M50-54

12675

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

19292

Males

12176

M50-54

12176

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

17856

Males

11540

M50-54

11540

20K→Half

12.4 - 13.1 mi

Top 64%
×2story building
+19ft-37ft

Overall

18226

Males

11704

M50-54

11704

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16943

Males

11073

M50-54

11073

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

15633

Males

10346

M50-54

10346

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

14006

Males

9456

M50-54

9456

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

12085

Males

8420

M50-54

8420

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13449

Males

9025

M50-54

9025

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

11645

Males

8073

M50-54

8073

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

9216

Males

6776

M50-54

6776

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7965

Males

5985

M50-54

5985

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6094

Males

4820

M50-54

4820

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

5229

Males

4277

M50-54

4277

Passing Analysis

Category:
Athletes Passed
4848
Passed By
447
Net Change
+4401
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20272
5K → 10K238324-86#20272#20358
10K → 15K37849+329#20358#20029
15K → 20K56714+553#20029#19476
20K → Half7616+60#19476#19416
Half → 25K44010+430#19416#18986
25K → 30K64916+633#18986#18353
30K → 20M3648+356#18353#17997
20M → 21M3251+324#17997#17673
21M → 35K1775+172#17673#17501
35K → 23M3733+370#17501#17131
23M → 24M3410+341#17131#16790
24M → 40K3450+345#16790#16445
40K → 25.2M1570+157#16445#16288
25.2M → Finish4181+417#16288#15871
TOTALS4848447+4401
📊

Passing Visuals

Category:
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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