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BOSTON MARATHON 2025

Christopher Stevenson

Bib: 29603•M

MA

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
9:08/mi
28:23
↑ 97↓ 3451.5%
10K· 6.21 mi
8:24/mi
54:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:23/mi
1:20:31
↑ 67↓ 78
20K· 12.43 mi
8:34/mi
1:47:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:32/mi
1:52:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:47/mi
2:14:16
↑ 66↓ 880.2%
30K· 18.64 mi
9:07/mi
2:42:37
↑ 181↓ 1480.2%
20M
9:14/mi
2:55:10
↑ 64↓ 500.2%
21M
9:43/mi
3:04:53
↑ 106↓ 241.6%
35K· 21.75 mi
9:13/mi
3:11:47
↑ 17↓ 861.7%
23M
10:46/mi
3:25:16
↑ 23↓ 630.6%
24M
13:10/mi
3:38:26
↓ 821.3%
40K· 24.85 mi
11:52/mi
3:48:35
↓ 200.3%
25.2M
10:50/mi
3:52:19
↑ 13↓ 160.2%
Finish· 26.22 mi
9:01/mi
4:01:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:58
Pace8:37 /mi
2nd Half
Distance13.11 mi
Time2:08:32
Pace9:48 /mi
📊Positive Split: 13.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:2528:239:0828:23
9:08
-
10K
6.21 mi12:12:3054:288:4626:05
8:24
-0:44
15K
9.32 mi12:38:331:20:318:3826:03
8:23
-0:01
20K
12.43 mi13:05:111:47:098:3726:38
8:34
+0:11
Half
13.11 mi13:11:001:52:588:375:49
8:32
-0:02
25K
15.53 mi13:32:182:14:168:3921:18
8:47
+0:15
30K
18.64 mi14:00:392:42:378:4328:21
9:07
+0:20
20M
20.00 mi14:13:122:55:108:4512:33
9:14
+0:07
21M
21.00 mi14:22:553:04:538:489:43
9:43
+0:29
35K
21.75 mi14:29:493:11:478:496:54
9:13
-0:30
23M
23.00 mi14:43:183:25:168:5513:29
10:46
+1:33
24M
24.00 mi14:56:283:38:269:0613:10
13:10
+2:24
40K
24.85 mi15:06:373:48:359:1210:09
11:52
-1:18
25.2M
25.20 mi15:10:213:52:199:133:44
10:50
-1:02
Finish
26.22 mi15:19:324:01:309:139:11
9:01
-1:49

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

8:23 /mi

Average Pace

9:13 /mi

Slowest Pace

13:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:08

22% of race

Time at Steady Pace

2:28:50

62% of race

Time at Slower Pace

40:32

17% 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 mi11:46:2528:239:0828:23
9:08
#22973
10K
6.21 mi12:12:3054:288:4626:05
8:24
#21252
15K
9.32 mi12:38:331:20:318:3826:03
8:23
#20413
20K
12.43 mi13:05:111:47:098:3726:38
8:34
#19986
Half
13.11 mi13:11:001:52:588:375:49
8:32
#19953
25K
15.53 mi13:32:182:14:168:3921:18
8:47
#19748
30K
18.64 mi14:00:392:42:378:4328:21
9:07
#19458
20M
20.00 mi14:13:122:55:108:4512:33
9:14
#19338
21M
21.00 mi14:22:553:04:538:489:43
9:43
#19203
35K
21.75 mi14:29:493:11:478:496:54
9:13
#19203
23M
23.00 mi14:43:183:25:168:5513:29
10:46
#19536
24M
24.00 mi14:56:283:38:269:0613:10
13:10
#20297
40K
24.85 mi15:06:373:48:359:1210:09
11:52
#20606
25.2M
25.20 mi15:10:213:52:199:133:44
10:50
#20606
Finish
26.22 mi15:19:324:01:309:139:11
9:01
#20568
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi22973137541375418600(Top 65%)11890(Top 74%)11890(Top 211%)
10K6.21 mi3.10 mi21252+172113006+74813006+74819151(Top 67%)12124(Top 75%)12124(Top 215%)
15K9.32 mi3.11 mi20413+83912648+35812648+35818600(Top 65%)11890(Top 74%)11890(Top 211%)
20K12.43 mi3.11 mi19986+42712464+18412464+18418682(Top 66%)11897(Top 74%)11897(Top 211%)
Half13.11 mi0.68 mi19953+3312447+1712447+1719349(Top 68%)12203(Top 76%)12203(Top 216%)
25K15.53 mi2.42 mi19748+20512354+9312354+9318847(Top 66%)11902(Top 74%)11902(Top 211%)
30K18.64 mi3.11 mi19458+29012188+16612188+16618289(Top 64%)11506(Top 71%)11506(Top 204%)
20M20.00 mi1.36 mi19338+12012109+7912109+7917951(Top 63%)11223(Top 70%)11223(Top 199%)
21M21.00 mi1.00 mi19203+13512035+7412035+7417108(Top 60%)10753(Top 67%)10753(Top 191%)
35K21.75 mi0.75 mi1920312018+1712018+1719259(Top 68%)11635(Top 72%)11635(Top 206%)
23M23.00 mi1.25 mi19536-33312119-10112119-10122668(Top 80%)13182(Top 82%)13182(Top 234%)
24M24.00 mi1.00 mi20297-76112443-32412443-32427024(Top 95%)15307(Top 95%)15307(Top 271%)
40K24.85 mi0.85 mi20606-30912567-12412567-12424711(Top 87%)14115(Top 88%)14115(Top 250%)
25.2M25.20 mi0.35 mi2060612558+912558+920091(Top 71%)11833(Top 73%)11833(Top 210%)
Finish26.22 mi1.02 mi20568+3812535+2312535+2319111(Top 67%)11396(Top 71%)11396(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18600

Males

11890

M18-39

11890

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

19151

Males

12124

M18-39

12124

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18600

Males

11890

M18-39

11890

15K→20K

9.3 - 12.4 mi

Top 66%
×5story building
+106ft-86ft

Overall

18682

Males

11897

M18-39

11897

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

19349

Males

12203

M18-39

12203

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

18847

Males

11902

M18-39

11902

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

18289

Males

11506

M18-39

11506

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

17951

Males

11223

M18-39

11223

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17108

Males

10753

M18-39

10753

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19259

Males

11635

M18-39

11635

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22668

Males

13182

M18-39

13182

23M→24M

23.0 - 24.0 mi

Top 95%
×6story building
+12ft-82ft

Overall

27024

Males

15307

M18-39

15307

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

24711

Males

14115

M18-39

14115

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20091

Males

11833

M18-39

11833

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

19111

Males

11396

M18-39

11396

Passing Analysis

Category:
Athletes Passed
4231
Passed By
1826
Net Change
+2405
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22973
5K → 10K17254+1721#22973#21252
10K → 15K85011+839#21252#20413
15K → 20K45730+427#20413#19986
20K → Half5017+33#19986#19953
Half → 25K25853+205#19953#19748
25K → 30K37080+290#19748#19458
30K → 20M16343+120#19458#19338
20M → 21M17338+135#19338#19203
21M → 35K53530#19203#19203
35K → 23M32365-333#19203#19536
23M → 24M2763-761#19536#20297
24M → 40K15324-309#20297#20606
40K → 25.2M27270#20606#20606
25.2M → Finish5618+38#20606#20568
TOTALS42311826+2405
📊

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