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BOSTON MARATHON 2025

Steven Letterle

Bib: 29955•M

RI

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

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
8:40/mi
26:56
↑ 97↓ 3451.5%
10K· 6.21 mi
8:39/mi
53:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:19:39
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:45:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:50:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
2:10:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:36:52
↑ 181↓ 1480.2%
20M
8:20/mi
2:48:11
↑ 64↓ 500.2%
21M
8:36/mi
2:56:47
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
3:02:52
↑ 17↓ 861.7%
23M
8:06/mi
3:13:01
↑ 23↓ 630.6%
24M
7:44/mi
3:20:45
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:27:56
↓ 200.3%
25.2M
8:54/mi
3:31:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:38:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:50:56
Pace8:28 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:47:47
Pace8:13 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0526:568:4026:56
8:40
-
10K
6.21 mi12:18:5853:498:4026:53
8:39
-0:01
15K
9.32 mi12:44:481:19:398:3325:50
8:19
-0:20
20K
12.43 mi13:10:381:45:298:2925:50
8:19
0:00
Half
13.11 mi13:16:051:50:568:285:27
7:59
-0:20
25K
15.53 mi13:35:562:10:478:2519:51
8:11
+0:12
30K
18.64 mi14:02:012:36:528:2526:05
8:24
+0:13
20M
20.00 mi14:13:202:48:118:2511:19
8:20
-0:04
21M
21.00 mi14:21:562:56:478:258:36
8:36
+0:16
35K
21.75 mi14:28:013:02:528:256:05
8:08
-0:28
23M
23.00 mi14:38:103:13:018:2410:09
8:06
-0:02
24M
24.00 mi14:45:543:20:458:227:44
7:44
-0:22
40K
24.85 mi14:53:053:27:568:227:11
8:24
+0:40
25.2M
25.20 mi14:56:093:31:008:223:04
8:54
+0:30
Finish
26.22 mi15:03:523:38:438:217:43
7:34
-1:20

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

7:34 /mi

Average Pace

8:21 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:39

50% of race

Time at Steady Pace

1:50:04

50% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:20 /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 mi11:52:0526:568:4026:56
8:40
#20845
10K
6.21 mi12:18:5853:498:4026:53
8:39
#20701
15K
9.32 mi12:44:481:19:398:3325:50
8:19
#19947
20K
12.43 mi13:10:381:45:298:2925:50
8:19
#19187
Half
13.11 mi13:16:051:50:568:285:27
7:59
#19013
25K
15.53 mi13:35:562:10:478:2519:51
8:11
#18394
30K
18.64 mi14:02:012:36:528:2526:05
8:24
#17564
20M
20.00 mi14:13:202:48:118:2511:19
8:20
#17194
21M
21.00 mi14:21:562:56:478:258:36
8:36
#16818
35K
21.75 mi14:28:013:02:528:256:05
8:08
#16673
23M
23.00 mi14:38:103:13:018:2410:09
8:06
#16274
24M
24.00 mi14:45:543:20:458:227:44
7:44
#15996
40K
24.85 mi14:53:053:27:568:227:11
8:24
#15852
25.2M
25.20 mi14:56:093:31:008:223:04
8:54
#15755
Finish
26.22 mi15:03:523:38:438:217:43
7:34
#15538
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20845127851278518145(Top 64%)11684(Top 73%)11684(Top 207%)
10K6.21 mi3.10 mi20701+14412753+3212753+3220607(Top 73%)12740(Top 79%)12740(Top 226%)
15K9.32 mi3.11 mi19947+75412451+30212451+30218145(Top 64%)11684(Top 73%)11684(Top 207%)
20K12.43 mi3.11 mi19187+76012120+33112120+33117004(Top 60%)11179(Top 69%)11179(Top 198%)
Half13.11 mi0.68 mi19013+17412043+7712043+7715762(Top 55%)10680(Top 66%)10680(Top 189%)
25K15.53 mi2.42 mi18394+61911765+27811765+27815220(Top 54%)10320(Top 64%)10320(Top 183%)
30K18.64 mi3.11 mi17564+83011351+41411351+41414109(Top 50%)9636(Top 60%)9636(Top 171%)
20M20.00 mi1.36 mi17194+37011180+17111180+17112668(Top 45%)8856(Top 55%)8856(Top 157%)
21M21.00 mi1.00 mi16818+37611002+17811002+17811097(Top 39%)7930(Top 49%)7930(Top 141%)
35K21.75 mi0.75 mi16673+14510918+8410918+8413140(Top 46%)8876(Top 55%)8876(Top 157%)
23M23.00 mi1.25 mi16274+39910725+19310725+19310799(Top 38%)7651(Top 48%)7651(Top 136%)
24M24.00 mi1.00 mi15996+27810570+15510570+1559347(Top 33%)6841(Top 42%)6841(Top 121%)
40K24.85 mi0.85 mi15852+14410493+7710493+7712796(Top 45%)8437(Top 52%)8437(Top 150%)
25.2M25.20 mi0.35 mi15755+9710436+5710436+5711183(Top 39%)7589(Top 47%)7589(Top 135%)
Finish26.22 mi1.02 mi15538+21710322+11410322+1149738(Top 34%)6849(Top 43%)6849(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18145

Males

11684

M18-39

11684

5K→10K

3.1 - 6.2 mi

Top 73%
×5story building
+79ft-138ft

Overall

20607

Males

12740

M18-39

12740

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18145

Males

11684

M18-39

11684

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17004

Males

11179

M18-39

11179

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15762

Males

10680

M18-39

10680

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

15220

Males

10320

M18-39

10320

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14109

Males

9636

M18-39

9636

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12668

Males

8856

M18-39

8856

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11097

Males

7930

M18-39

7930

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

13140

Males

8876

M18-39

8876

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10799

Males

7651

M18-39

7651

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

9347

Males

6841

M18-39

6841

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12796

Males

8437

M18-39

8437

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

11183

Males

7589

M18-39

7589

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9738

Males

6849

M18-39

6849

Passing Analysis

Category:
Athletes Passed
5555
Passed By
248
Net Change
+5307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20845
5K → 10K354210+144#20845#20701
10K → 15K7628+754#20701#19947
15K → 20K7655+760#19947#19187
20K → Half1762+174#19187#19013
Half → 25K6190+619#19013#18394
25K → 30K8333+830#18394#17564
30K → 20M3722+370#17564#17194
20M → 21M3771+376#17194#16818
21M → 35K1516+145#16818#16673
35K → 23M4001+399#16673#16274
23M → 24M2791+278#16274#15996
24M → 40K1517+144#15996#15852
40K → 25.2M981+97#15852#15755
25.2M → Finish2181+217#15755#15538
TOTALS5555248+5307
📊

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