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BOSTON MARATHON 2025

Chris Werner

Bib: 25704•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
8:40/mi
26:56
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
53:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:38/mi
1:20:25
↑ 67↓ 78
20K· 12.43 mi
8:52/mi
1:47:59
↑ 106↓ 860.1%
Half· 13.11 mi
8:42/mi
1:53:55
↑ 19↓ 370.5%
25K· 15.53 mi
9:39/mi
2:17:19
↑ 66↓ 880.2%
30K· 18.64 mi
9:08/mi
2:45:42
↑ 181↓ 1480.2%
20M
9:07/mi
2:58:06
↑ 64↓ 500.2%
21M
9:30/mi
3:07:36
↑ 106↓ 241.6%
35K· 21.75 mi
9:16/mi
3:14:32
↑ 17↓ 861.7%
23M
9:36/mi
3:26:33
↑ 23↓ 630.6%
24M
9:10/mi
3:35:43
↓ 821.3%
40K· 24.85 mi
9:09/mi
3:43:32
↓ 200.3%
25.2M
10:00/mi
3:46:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:55:33
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:55
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:01:38
Pace9:17 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0126:568:4026:56
8:40
-
10K
6.21 mi12:09:4253:378:3826:41
8:35
-0:05
15K
9.32 mi12:36:301:20:258:3826:48
8:38
+0:03
20K
12.43 mi13:04:041:47:598:4127:34
8:52
+0:14
Half
13.11 mi13:10:001:53:558:415:56
8:42
-0:10
25K
15.53 mi13:33:242:17:198:5023:24
9:39
+0:57
30K
18.64 mi14:01:472:45:428:5328:23
9:08
-0:31
20M
20.00 mi14:14:112:58:068:5412:24
9:07
-0:01
21M
21.00 mi14:23:413:07:368:569:30
9:30
+0:23
35K
21.75 mi14:30:373:14:328:576:56
9:16
-0:14
23M
23.00 mi14:42:383:26:338:5912:01
9:36
+0:20
24M
24.00 mi14:51:483:35:438:599:10
9:10
-0:26
40K
24.85 mi14:59:373:43:329:007:49
9:09
-0:01
25.2M
25.20 mi15:03:043:46:599:003:27
10:00
+0:51
Finish
26.22 mi15:11:383:55:338:598:34
8:24
-1:36

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

8:24 /mi

Average Pace

8:59 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:15

77% of race

Time at Steady Pace

51:51

22% of race

Time at Slower Pace

3:27

1% of race

Average Pace: 8:59 /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 mi11:43:0126:568:4026:56
8:40
#20851
10K
6.21 mi12:09:4253:378:3826:41
8:35
#20546
15K
9.32 mi12:36:301:20:258:3826:48
8:38
#20351
20K
12.43 mi13:04:041:47:598:4127:34
8:52
#20339
Half
13.11 mi13:10:001:53:558:415:56
8:42
#20347
25K
15.53 mi13:33:242:17:198:5023:24
9:39
#20813
30K
18.64 mi14:01:472:45:428:5328:23
9:08
#20323
20M
20.00 mi14:14:112:58:068:5412:24
9:07
#20105
21M
21.00 mi14:23:413:07:368:569:30
9:30
#19870
35K
21.75 mi14:30:373:14:328:576:56
9:16
#19852
23M
23.00 mi14:42:383:26:338:5912:01
9:36
#19819
24M
24.00 mi14:51:483:35:438:599:10
9:10
#19734
40K
24.85 mi14:59:373:43:329:007:49
9:09
#19653
25.2M
25.20 mi15:03:043:46:599:003:27
10:00
#19598
Finish
26.22 mi15:11:383:55:338:598:34
8:24
#19456
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20851127911279120058(Top 71%)12532(Top 78%)12532(Top 222%)
10K6.21 mi3.10 mi20546+30512691+10012691+10020286(Top 71%)12601(Top 78%)12601(Top 223%)
15K9.32 mi3.11 mi20351+19512622+6912622+6920058(Top 71%)12532(Top 78%)12532(Top 222%)
20K12.43 mi3.11 mi20339+1212614+812614+820334(Top 72%)12605(Top 78%)12605(Top 223%)
Half13.11 mi0.68 mi20347-812619-512619-520294(Top 71%)12586(Top 78%)12586(Top 223%)
25K15.53 mi2.42 mi20813-46612818-19912818-19922358(Top 79%)13444(Top 83%)13444(Top 238%)
30K18.64 mi3.11 mi20323+49012552+26612552+26618329(Top 65%)11527(Top 72%)11527(Top 204%)
20M20.00 mi1.36 mi20105+21812442+11012442+11017430(Top 61%)11004(Top 68%)11004(Top 195%)
21M21.00 mi1.00 mi19870+23512321+12112321+12116070(Top 57%)10294(Top 64%)10294(Top 182%)
35K21.75 mi0.75 mi19852+1812296+2512296+2519438(Top 68%)11705(Top 73%)11705(Top 207%)
23M23.00 mi1.25 mi19819+3312244+5212244+5219066(Top 67%)11472(Top 71%)11472(Top 203%)
24M24.00 mi1.00 mi19734+8512180+6412180+6418179(Top 64%)11011(Top 68%)11011(Top 195%)
40K24.85 mi0.85 mi19653+8112128+5212128+5217081(Top 60%)10422(Top 65%)10422(Top 185%)
25.2M25.20 mi0.35 mi19598+5512092+3612092+3617028(Top 60%)10393(Top 65%)10393(Top 184%)
Finish26.22 mi1.02 mi19456+14212017+7512017+7515616(Top 55%)9770(Top 61%)9770(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

20058

Males

12532

M18-39

12532

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

20286

Males

12601

M18-39

12601

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

20058

Males

12532

M18-39

12532

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20334

Males

12605

M18-39

12605

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

20294

Males

12586

M18-39

12586

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

22358

Males

13444

M18-39

13444

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18329

Males

11527

M18-39

11527

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17430

Males

11004

M18-39

11004

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

16070

Males

10294

M18-39

10294

21M→35K

21.0 - 21.8 mi

Top 68%
×7story building
+17ft-86ft

Overall

19438

Males

11705

M18-39

11705

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

19066

Males

11472

M18-39

11472

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

18179

Males

11011

M18-39

11011

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17081

Males

10422

M18-39

10422

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17028

Males

10393

M18-39

10393

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15616

Males

9770

M18-39

9770

Passing Analysis

Category:
Athletes Passed
2594
Passed By
1199
Net Change
+1395
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20851
5K → 10K469164+305#20851#20546
10K → 15K29398+195#20546#20351
15K → 20K186174+12#20351#20339
20K → Half3038-8#20339#20347
Half → 25K57523-466#20347#20813
25K → 30K50818+490#20813#20323
30K → 20M2257+218#20323#20105
20M → 21M2405+235#20105#19870
21M → 35K5941+18#19870#19852
35K → 23M10269+33#19852#19819
23M → 24M11328+85#19819#19734
24M → 40K10423+81#19734#19653
40K → 25.2M605+55#19653#19598
25.2M → Finish1486+142#19598#19456
TOTALS25941199+1395
📊

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