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BOSTON MARATHON 2025

Tim Oser

Bib: 16277•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Top 48%
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
8:07/mi
25:13
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
50:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:15:08
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:40:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:45:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:04/mi
2:05:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:28/mi
2:31:24
↑ 181↓ 1480.2%
20M
8:35/mi
2:43:04
↑ 64↓ 500.2%
21M
9:14/mi
2:52:18
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
2:58:36
↑ 17↓ 861.7%
23M
8:41/mi
3:09:28
↑ 23↓ 630.6%
24M
8:28/mi
3:17:56
↓ 821.3%
40K· 24.85 mi
8:37/mi
3:25:18
↓ 200.3%
25.2M
9:14/mi
3:28:29
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:37:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:33
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:51:30
Pace8:30 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0425:138:0725:13
8:07
-
10K
6.21 mi11:45:0350:128:0524:59
8:02
-0:05
15K
9.32 mi12:09:591:15:088:0424:56
8:02
0:00
20K
12.43 mi12:35:011:40:108:0425:02
8:03
+0:01
Half
13.11 mi12:40:241:45:338:035:23
7:53
-0:10
25K
15.53 mi12:59:572:05:068:0319:33
8:04
+0:11
30K
18.64 mi13:26:152:31:248:0726:18
8:28
+0:24
20M
20.00 mi13:37:552:43:048:0911:40
8:35
+0:07
21M
21.00 mi13:47:092:52:188:129:14
9:14
+0:39
35K
21.75 mi13:53:272:58:368:136:18
8:25
-0:49
23M
23.00 mi14:04:193:09:288:1410:52
8:41
+0:16
24M
24.00 mi14:12:473:17:568:158:28
8:28
-0:13
40K
24.85 mi14:20:093:25:188:167:22
8:37
+0:09
25.2M
25.20 mi14:23:203:28:298:163:11
9:14
+0:37
Finish
26.22 mi14:31:543:37:038:178:34
8:24
-0:50

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

7:53 /mi

Average Pace

8:17 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:46

89% of race

Time at Steady Pace

23:17

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:20:0425:138:0725:13
8:07
#17463
10K
6.21 mi11:45:0350:128:0524:59
8:02
#17097
15K
9.32 mi12:09:591:15:088:0424:56
8:02
#16781
20K
12.43 mi12:35:011:40:108:0425:02
8:03
#16382
Half
13.11 mi12:40:241:45:338:035:23
7:53
#16311
25K
15.53 mi12:59:572:05:068:0319:33
8:04
#15966
30K
18.64 mi13:26:152:31:248:0726:18
8:28
#15669
20M
20.00 mi13:37:552:43:048:0911:40
8:35
#15504
21M
21.00 mi13:47:092:52:188:129:14
9:14
#15428
35K
21.75 mi13:53:272:58:368:136:18
8:25
#15397
23M
23.00 mi14:04:193:09:288:1410:52
8:41
#15292
24M
24.00 mi14:12:473:17:568:158:28
8:28
#15241
40K
24.85 mi14:20:093:25:188:167:22
8:37
#15168
25.2M
25.20 mi14:23:203:28:298:163:11
9:14
#15117
Finish
26.22 mi14:31:543:37:038:178:34
8:24
#15133
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi17463113991139916219(Top 57%)10905(Top 68%)10905(Top 662%)
10K6.21 mi3.10 mi17097+36611261+13811261+13816765(Top 59%)11143(Top 69%)11143(Top 676%)
15K9.32 mi3.11 mi16781+31611133+12811133+12816219(Top 57%)10905(Top 68%)10905(Top 662%)
20K12.43 mi3.11 mi16382+39910963+17010963+17015325(Top 54%)10465(Top 65%)10465(Top 635%)
Half13.11 mi0.68 mi16311+7110928+3510928+3514964(Top 53%)10326(Top 64%)10326(Top 627%)
25K15.53 mi2.42 mi15966+34510773+15510773+15514357(Top 51%)9916(Top 62%)9916(Top 602%)
30K18.64 mi3.11 mi15669+29710592+18110592+18114544(Top 51%)9855(Top 61%)9855(Top 598%)
20M20.00 mi1.36 mi15504+16510486+10610486+10614327(Top 50%)9609(Top 60%)9609(Top 583%)
21M21.00 mi1.00 mi15428+7610414+7210414+7214781(Top 52%)9695(Top 60%)9695(Top 588%)
35K21.75 mi0.75 mi15397+3110382+3210382+3214958(Top 53%)9707(Top 60%)9707(Top 589%)
23M23.00 mi1.25 mi15292+10510298+8410298+8414406(Top 51%)9356(Top 58%)9356(Top 568%)
24M24.00 mi1.00 mi15241+5110253+4510253+4514280(Top 50%)9279(Top 58%)9279(Top 563%)
40K24.85 mi0.85 mi15168+7310186+6710186+6714135(Top 50%)9062(Top 56%)9062(Top 550%)
25.2M25.20 mi0.35 mi15117+5110153+3310153+3313064(Top 46%)8509(Top 53%)8509(Top 516%)
Finish26.22 mi1.02 mi15133-1610143+1010143+1015596(Top 55%)9750(Top 61%)9750(Top 592%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

16219

Males

10905

M55-59

10905

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16765

Males

11143

M55-59

11143

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

16219

Males

10905

M55-59

10905

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

15325

Males

10465

M55-59

10465

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14964

Males

10326

M55-59

10326

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

14357

Males

9916

M55-59

9916

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

14544

Males

9855

M55-59

9855

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14327

Males

9609

M55-59

9609

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14781

Males

9695

M55-59

9695

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14958

Males

9707

M55-59

9707

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

14406

Males

9356

M55-59

9356

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14280

Males

9279

M55-59

9279

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

14135

Males

9062

M55-59

9062

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13064

Males

8509

M55-59

8509

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15596

Males

9750

M55-59

9750

Passing Analysis

Category:
Athletes Passed
3063
Passed By
733
Net Change
+2330
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17463
5K → 10K503137+366#17463#17097
10K → 15K38569+316#17097#16781
15K → 20K44344+399#16781#16382
20K → Half8312+71#16382#16311
Half → 25K36621+345#16311#15966
25K → 30K38386+297#15966#15669
30K → 20M20035+165#15669#15504
20M → 21M14266+76#15504#15428
21M → 35K7544+31#15428#15397
35K → 23M15853+105#15397#15292
23M → 24M9443+51#15292#15241
24M → 40K10330+73#15241#15168
40K → 25.2M609+51#15168#15117
25.2M → Finish6884-16#15117#15133
TOTALS3063733+2330
📊

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