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BOSTON MARATHON 2025

David Steinbach

Bib: 26431•M

DC

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:22
Rank: #21548
Start → 5K
27:22 | 8:49/mi
10K· 6.21 mi
54:23
Rank: #21177 (+371)
5K → 10K
27:01 | 8:42/mi
15K· 9.32 mi
1:21:59
Rank: #21238 (-61)
10K → 15K
27:36 | 8:53/mi
20K· 12.43 mi
1:49:46
Rank: #21081 (+157)
15K → 20K
27:47 | 8:57/mi
Half· 13.11 mi
1:55:47
Rank: #21090 (-9)
20K → Half
6:01 | 8:49/mi
25K· 15.53 mi
2:17:21
Rank: #20825 (+265)
Half → 25K
21:34 | 8:54/mi
30K· 18.64 mi
2:46:50
Rank: #20624 (+201)
25K → 30K
29:29 | 9:29/mi
20M
3:00:12
Rank: #20605 (+19)
30K → 20M
13:22 | 9:50/mi
21M
3:10:20
Rank: #20493 (+112)
20M → 21M
10:08 | 10:08/mi
35K· 21.75 mi
3:17:33
Rank: #20515 (-22)
21M → 35K
7:13 | 9:39/mi
23M
3:29:56
Rank: #20498 (+17)
35K → 23M
12:23 | 9:53/mi
24M
3:40:18
Rank: #20631 (-133)
23M → 24M
10:22 | 10:22/mi
40K· 24.85 mi
3:48:46
Rank: #20642 (-11)
24M → 40K
8:28 | 9:54/mi
25.2M
3:52:22
Rank: #20619 (+23)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:01:35
Rank: #20581 (+38)
25.2M → Finish
9:13 | 9:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:47
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:05:48
Pace9:36 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0327:228:4927:22
8:49
-
10K
6.21 mi12:10:0454:238:4527:01
8:42
-0:07
15K
9.32 mi12:37:401:21:598:4827:36
8:53
+0:11
20K
12.43 mi13:05:271:49:468:5027:47
8:57
+0:04
Half
13.11 mi13:11:281:55:478:506:01
8:49
-0:08
25K
15.53 mi13:33:022:17:218:5121:34
8:54
+0:05
30K
18.64 mi14:02:312:46:508:5729:29
9:29
+0:35
20M
20.00 mi14:15:533:00:129:0113:22
9:50
+0:21
21M
21.00 mi14:26:013:10:209:0410:08
10:08
+0:18
35K
21.75 mi14:33:143:17:339:057:13
9:39
-0:29
23M
23.00 mi14:45:373:29:569:0812:23
9:53
+0:14
24M
24.00 mi14:55:593:40:189:1110:22
10:22
+0:29
40K
24.85 mi15:04:273:48:469:128:28
9:54
-0:28
25.2M
25.20 mi15:08:033:52:229:133:36
10:26
+0:32
Finish
26.22 mi15:17:164:01:359:139:13
9:03
-1:23

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

8:42 /mi

Average Pace

9:13 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:03

73% of race

Time at Steady Pace

51:34

21% of race

Time at Slower Pace

13:58

6% of race

Average Pace: 9:13 /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 mi11:43:0327:228:4927:22
8:49
#21548
10K
6.21 mi12:10:0454:238:4527:01
8:42
#21177
15K
9.32 mi12:37:401:21:598:4827:36
8:53
#21238
20K
12.43 mi13:05:271:49:468:5027:47
8:57
#21081
Half
13.11 mi13:11:281:55:478:506:01
8:49
#21090
25K
15.53 mi13:33:022:17:218:5121:34
8:54
#20825
30K
18.64 mi14:02:312:46:508:5729:29
9:29
#20624
20M
20.00 mi14:15:533:00:129:0113:22
9:50
#20605
21M
21.00 mi14:26:013:10:209:0410:08
10:08
#20493
35K
21.75 mi14:33:143:17:339:057:13
9:39
#20515
23M
23.00 mi14:45:373:29:569:0812:23
9:53
#20498
24M
24.00 mi14:55:593:40:189:1110:22
10:22
#20631
40K
24.85 mi15:04:273:48:469:128:28
9:54
#20642
25.2M
25.20 mi15:08:033:52:229:133:36
10:26
#20619
Finish
26.22 mi15:17:164:01:359:139:13
9:03
#20581
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21548131041310421475(Top 76%)13154(Top 82%)13154(Top 233%)
10K6.21 mi3.10 mi21177+37112968+13612968+13620837(Top 73%)12844(Top 80%)12844(Top 228%)
15K9.32 mi3.11 mi21238-6113010-4213010-4221475(Top 76%)13154(Top 82%)13154(Top 233%)
20K12.43 mi3.11 mi21081+15712948+6212948+6220674(Top 73%)12741(Top 79%)12741(Top 226%)
Half13.11 mi0.68 mi21090-912956-812956-820964(Top 74%)12877(Top 80%)12877(Top 228%)
25K15.53 mi2.42 mi20825+26512826+13012826+13019407(Top 68%)12147(Top 75%)12147(Top 215%)
30K18.64 mi3.11 mi20624+20112682+14412682+14419893(Top 70%)12240(Top 76%)12240(Top 217%)
20M20.00 mi1.36 mi20605+1912658+2412658+2420405(Top 72%)12330(Top 77%)12330(Top 219%)
21M21.00 mi1.00 mi20493+11212592+6612592+6618794(Top 66%)11520(Top 72%)11520(Top 204%)
35K21.75 mi0.75 mi20515-2212588+412588+420824(Top 73%)12362(Top 77%)12362(Top 219%)
23M23.00 mi1.25 mi20498+1712559+2912559+2920114(Top 71%)11952(Top 74%)11952(Top 212%)
24M24.00 mi1.00 mi20631-13312599-4012599-4022435(Top 79%)13017(Top 81%)13017(Top 231%)
40K24.85 mi0.85 mi20642-1112588+1112588+1120123(Top 71%)11850(Top 74%)11850(Top 210%)
25.2M25.20 mi0.35 mi20619+2312568+2012568+2018769(Top 66%)11213(Top 70%)11213(Top 199%)
Finish26.22 mi1.02 mi20581+3812541+2712541+2719256(Top 68%)11464(Top 71%)11464(Top 203%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

21475

Males

13154

M18-39

13154

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20837

Males

12844

M18-39

12844

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

21475

Males

13154

M18-39

13154

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

20674

Males

12741

M18-39

12741

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

20964

Males

12877

M18-39

12877

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

19407

Males

12147

M18-39

12147

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19893

Males

12240

M18-39

12240

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

20405

Males

12330

M18-39

12330

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18794

Males

11520

M18-39

11520

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20824

Males

12362

M18-39

12362

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20114

Males

11952

M18-39

11952

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22435

Males

13017

M18-39

13017

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

20123

Males

11850

M18-39

11850

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18769

Males

11213

M18-39

11213

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

19256

Males

11464

M18-39

11464

Passing Analysis

Category:
Athletes Passed
2159
Passed By
1192
Net Change
+967
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21548
5K → 10K504133+371#21548#21177
10K → 15K186247-61#21177#21238
15K → 20K273116+157#21238#21081
20K → Half2938-9#21081#21090
Half → 25K29429+265#21090#20825
25K → 30K308107+201#20825#20624
30K → 20M11394+19#20624#20605
20M → 21M13826+112#20605#20493
21M → 35K4971-22#20493#20515
35K → 23M9477+17#20515#20498
23M → 24M30163-133#20498#20631
24M → 40K5061-11#20631#20642
40K → 25.2M329+23#20642#20619
25.2M → Finish5921+38#20619#20581
TOTALS21591192+967
📊

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