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BOSTON MARATHON 2025

Lyle Stauffer

Bib: 2670•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 19%
Masters (Masters Men)
#0 / 10463
Top 7%
Division (M40-44)
#0 / 2247
Top 20%
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
6:19/mi
19:38
↑ 97↓ 3451.5%
10K· 6.21 mi
6:23/mi
39:27
↑ 79↓ 1380.4%
15K· 9.32 mi
6:26/mi
59:27
↑ 67↓ 78
20K· 12.43 mi
6:28/mi
1:19:32
↑ 106↓ 860.1%
Half· 13.11 mi
6:28/mi
1:23:57
↑ 19↓ 370.5%
25K· 15.53 mi
6:32/mi
1:39:47
↑ 66↓ 880.2%
30K· 18.64 mi
6:48/mi
2:00:54
↑ 181↓ 1480.2%
20M
6:58/mi
2:10:22
↑ 64↓ 500.2%
21M
7:38/mi
2:18:00
↑ 106↓ 241.6%
35K· 21.75 mi
6:57/mi
2:23:12
↑ 17↓ 861.7%
23M
7:10/mi
2:32:11
↑ 23↓ 630.6%
24M
7:07/mi
2:39:18
↓ 821.3%
40K· 24.85 mi
7:09/mi
2:45:25
↓ 200.3%
25.2M
8:04/mi
2:48:12
↑ 13↓ 160.2%
Finish· 26.22 mi
6:55/mi
2:55:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:57
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:31:18
Pace6:58 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4019:386:1919:38
6:19
-
10K
6.21 mi10:40:2939:276:2119:49
6:23
+0:04
15K
9.32 mi11:00:2959:276:2320:00
6:26
+0:03
20K
12.43 mi11:20:341:19:326:2420:05
6:28
+0:02
Half
13.11 mi11:24:591:23:576:244:25
6:28
0:00
25K
15.53 mi11:40:491:39:476:2515:50
6:32
+0:04
30K
18.64 mi12:01:562:00:546:2921:07
6:48
+0:16
20M
20.00 mi12:11:242:10:226:319:28
6:58
+0:10
21M
21.00 mi12:19:022:18:006:347:38
7:38
+0:40
35K
21.75 mi12:24:142:23:126:355:12
6:57
-0:41
23M
23.00 mi12:33:132:32:116:378:59
7:10
+0:13
24M
24.00 mi12:40:202:39:186:387:07
7:07
-0:03
40K
24.85 mi12:46:272:45:256:396:07
7:09
+0:02
25.2M
25.20 mi12:49:142:48:126:402:47
8:04
+0:55
Finish
26.22 mi12:56:172:55:156:417:03
6:55
-1:09

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

6:19 /mi

Average Pace

6:41 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:47

57% of race

Time at Steady Pace

56:04

32% of race

Time at Slower Pace

19:24

11% of race

Average Pace: 6:41 /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 mi10:20:4019:386:1919:38
6:19
#2569
10K
6.21 mi10:40:2939:276:2119:49
6:23
#2729
15K
9.32 mi11:00:2959:276:2320:00
6:26
#2860
20K
12.43 mi11:20:341:19:326:2420:05
6:28
#2853
Half
13.11 mi11:24:591:23:576:244:25
6:28
#2883
25K
15.53 mi11:40:491:39:476:2515:50
6:32
#2892
30K
18.64 mi12:01:562:00:546:2921:07
6:48
#2948
20M
20.00 mi12:11:242:10:226:319:28
6:58
#2984
21M
21.00 mi12:19:022:18:006:347:38
7:38
#3067
35K
21.75 mi12:24:142:23:126:355:12
6:57
#3095
23M
23.00 mi12:33:132:32:116:378:59
7:10
#3148
24M
24.00 mi12:40:202:39:186:387:07
7:07
#3202
40K
24.85 mi12:46:272:45:256:396:07
7:09
#3231
25.2M
25.20 mi12:49:142:48:126:402:47
8:04
#3264
Finish
26.22 mi12:56:172:55:156:417:03
6:55
#3303
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2569244524453180(Top 11%)3026(Top 19%)3026(Top 135%)
10K6.21 mi3.10 mi2729-1602600-1552600-1552906(Top 10%)2767(Top 17%)2767(Top 123%)
15K9.32 mi3.11 mi2860-1312726-1262726-1263180(Top 11%)3026(Top 19%)3026(Top 135%)
20K12.43 mi3.11 mi2853+72720+62720+62910(Top 10%)2772(Top 17%)2772(Top 123%)
Half13.11 mi0.68 mi2883-302748-282748-283533(Top 12%)3349(Top 21%)3349(Top 149%)
25K15.53 mi2.42 mi2892-92758-102758-103060(Top 11%)2905(Top 18%)2905(Top 129%)
30K18.64 mi3.11 mi2948-562808-502808-503431(Top 12%)3197(Top 20%)3197(Top 142%)
20M20.00 mi1.36 mi2984-362838-302838-303905(Top 14%)3588(Top 22%)3588(Top 160%)
21M21.00 mi1.00 mi3067-832905-672905-675290(Top 19%)4589(Top 28%)4589(Top 204%)
35K21.75 mi0.75 mi3095-282931-262931-265051(Top 18%)4418(Top 27%)4418(Top 197%)
23M23.00 mi1.25 mi3148-532975-442975-444723(Top 17%)4120(Top 26%)4120(Top 183%)
24M24.00 mi1.00 mi3202-543022-473022-475297(Top 19%)4464(Top 28%)4464(Top 199%)
40K24.85 mi0.85 mi3231-293044-223044-224780(Top 17%)4058(Top 25%)4058(Top 181%)
25.2M25.20 mi0.35 mi3264-333073-293073-296265(Top 22%)4898(Top 30%)4898(Top 218%)
Finish26.22 mi1.02 mi3303-393093-203093-205200(Top 18%)4248(Top 26%)4248(Top 189%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

3180

Males

3026

M40-44

3026

5K→10K

3.1 - 6.2 mi

Top 10%
×5story building
+79ft-138ft

Overall

2906

Males

2767

M40-44

2767

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

3180

Males

3026

M40-44

3026

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2910

Males

2772

M40-44

2772

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3533

Males

3349

M40-44

3349

Half→25K

13.1 - 15.5 mi

Top 11%
×4story building
+66ft-88ft

Overall

3060

Males

2905

M40-44

2905

25K→30K

15.5 - 18.6 mi

Top 12%
×9story building
+181ft-148ft

Overall

3431

Males

3197

M40-44

3197

30K→20M

18.6 - 20.0 mi

Top 14%
×5story building
+64ft-50ft

Overall

3905

Males

3588

M40-44

3588

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

5290

Males

4589

M40-44

4589

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

5051

Males

4418

M40-44

4418

35K→23M

21.8 - 23.0 mi

Top 17%
×5story building
+23ft-63ft

Overall

4723

Males

4120

M40-44

4120

23M→24M

23.0 - 24.0 mi

Top 19%
×6story building
+12ft-82ft

Overall

5297

Males

4464

M40-44

4464

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4780

Males

4058

M40-44

4058

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6265

Males

4898

M40-44

4898

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

5200

Males

4248

M40-44

4248

Passing Analysis

Category:
Athletes Passed
600
Passed By
1334
Net Change
-734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2569
5K → 10K63223-160#2569#2729
10K → 15K38169-131#2729#2860
15K → 20K8578+7#2860#2853
20K → Half535-30#2853#2883
Half → 25K6675-9#2883#2892
25K → 30K98154-56#2892#2948
30K → 20M4177-36#2948#2984
20M → 21M23106-83#2984#3067
21M → 35K2654-28#3067#3095
35K → 23M51104-53#3095#3148
23M → 24M2175-54#3148#3202
24M → 40K3665-29#3202#3231
40K → 25.2M1144-33#3231#3264
25.2M → Finish3675-39#3264#3303
TOTALS6001334-734
📊

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