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BOSTON MARATHON 2025

Wagner Kai

Bib: 4007•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 28%
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
20:26
Rank: #4388
Start → 5K
20:26 | 6:35/mi
10K· 6.21 mi
40:53
Rank: #4332 (+56)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:01:35
Rank: #4448 (-116)
10K → 15K
20:42 | 6:40/mi
20K· 12.43 mi
1:22:18
Rank: #4349 (+99)
15K → 20K
20:43 | 6:40/mi
Half· 13.11 mi
1:26:44
Rank: #4298 (+51)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:57
Rank: #4200 (+98)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:04:27
Rank: #4126 (+74)
25K → 30K
21:30 | 6:55/mi
20M
2:14:03
Rank: #4128 (-2)
30K → 20M
9:36 | 7:04/mi
21M
2:21:51
Rank: #4232 (-104)
20M → 21M
7:48 | 7:48/mi
35K· 21.75 mi
2:27:06
Rank: #4276 (-44)
21M → 35K
5:15 | 7:01/mi
23M
2:36:47
Rank: #4508 (-232)
35K → 23M
9:41 | 7:44/mi
24M
2:44:10
Rank: #4630 (-122)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
2:50:43
Rank: #4772 (-142)
24M → 40K
6:33 | 7:40/mi
25.2M
2:53:35
Rank: #4828 (-56)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:00:54
Rank: #4896 (-68)
25.2M → Finish
7:19 | 7:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:44
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:34:10
Pace7:11 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4320:266:3520:26
6:35
-
10K
6.21 mi10:43:1040:536:3520:27
6:35
0:00
15K
9.32 mi11:03:521:01:356:3620:42
6:40
+0:05
20K
12.43 mi11:24:351:22:186:3720:43
6:40
0:00
Half
13.11 mi11:29:011:26:446:374:26
6:30
-0:10
25K
15.53 mi11:45:141:42:576:3816:13
6:41
+0:11
30K
18.64 mi12:06:442:04:276:4121:30
6:55
+0:14
20M
20.00 mi12:16:202:14:036:429:36
7:04
+0:09
21M
21.00 mi12:24:082:21:516:457:48
7:48
+0:44
35K
21.75 mi12:29:232:27:066:465:15
7:01
-0:47
23M
23.00 mi12:39:042:36:476:499:41
7:44
+0:43
24M
24.00 mi12:46:272:44:106:507:23
7:23
-0:21
40K
24.85 mi12:53:002:50:436:526:33
7:40
+0:17
25.2M
25.20 mi12:55:522:53:356:532:52
8:19
+0:39
Finish
26.22 mi13:03:113:00:546:547:19
7:11
-1:08

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

6:30 /mi

Average Pace

6:54 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:57

57% of race

Time at Steady Pace

43:40

24% of race

Time at Slower Pace

34:17

19% of race

Average Pace: 6:54 /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 mi10:22:4320:266:3520:26
6:35
#4388
10K
6.21 mi10:43:1040:536:3520:27
6:35
#4332
15K
9.32 mi11:03:521:01:356:3620:42
6:40
#4448
20K
12.43 mi11:24:351:22:186:3720:43
6:40
#4349
Half
13.11 mi11:29:011:26:446:374:26
6:30
#4298
25K
15.53 mi11:45:141:42:576:3816:13
6:41
#4200
30K
18.64 mi12:06:442:04:276:4121:30
6:55
#4126
20M
20.00 mi12:16:202:14:036:429:36
7:04
#4128
21M
21.00 mi12:24:082:21:516:457:48
7:48
#4232
35K
21.75 mi12:29:232:27:066:465:15
7:01
#4276
23M
23.00 mi12:39:042:36:476:499:41
7:44
#4508
24M
24.00 mi12:46:272:44:106:507:23
7:23
#4630
40K
24.85 mi12:53:002:50:436:526:33
7:40
#4772
25.2M
25.20 mi12:55:522:53:356:532:52
8:19
#4828
Finish
26.22 mi13:03:113:00:546:547:19
7:11
#4896
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4388412541254748(Top 17%)4432(Top 28%)4432(Top 79%)
10K6.21 mi3.10 mi4332+564072+534072+534311(Top 15%)4049(Top 25%)4049(Top 72%)
15K9.32 mi3.11 mi4448-1164182-1104182-1104748(Top 17%)4432(Top 28%)4432(Top 79%)
20K12.43 mi3.11 mi4349+994086+964086+964155(Top 15%)3897(Top 24%)3897(Top 69%)
Half13.11 mi0.68 mi4298+514037+494037+493653(Top 13%)3453(Top 21%)3453(Top 61%)
25K15.53 mi2.42 mi4200+983944+933944+934047(Top 14%)3771(Top 23%)3771(Top 67%)
30K18.64 mi3.11 mi4126+743867+773867+774216(Top 15%)3870(Top 24%)3870(Top 69%)
20M20.00 mi1.36 mi4128-23864+33864+34467(Top 16%)4065(Top 25%)4065(Top 72%)
21M21.00 mi1.00 mi4232-1043944-803944-806148(Top 22%)5149(Top 32%)5149(Top 91%)
35K21.75 mi0.75 mi4276-443975-313975-315410(Top 19%)4650(Top 29%)4650(Top 82%)
23M23.00 mi1.25 mi4508-2324163-1884163-1888065(Top 28%)6190(Top 38%)6190(Top 110%)
24M24.00 mi1.00 mi4630-1224261-984261-986895(Top 24%)5448(Top 34%)5448(Top 97%)
40K24.85 mi0.85 mi4772-1424375-1144375-1147780(Top 27%)5855(Top 36%)5855(Top 104%)
25.2M25.20 mi0.35 mi4828-564418-434418-437606(Top 27%)5665(Top 35%)5665(Top 100%)
Finish26.22 mi1.02 mi4896-684460-424460-426877(Top 24%)5243(Top 33%)5243(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4748

Males

4432

M18-39

4432

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4311

Males

4049

M18-39

4049

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4748

Males

4432

M18-39

4432

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

4155

Males

3897

M18-39

3897

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3653

Males

3453

M18-39

3453

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

4047

Males

3771

M18-39

3771

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4216

Males

3870

M18-39

3870

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4467

Males

4065

M18-39

4065

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6148

Males

5149

M18-39

5149

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5410

Males

4650

M18-39

4650

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

8065

Males

6190

M18-39

6190

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6895

Males

5448

M18-39

5448

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7780

Males

5855

M18-39

5855

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7606

Males

5665

M18-39

5665

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6877

Males

5243

M18-39

5243

Passing Analysis

Category:
Athletes Passed
1005
Passed By
1513
Net Change
-508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4388
5K → 10K162106+56#4388#4332
10K → 15K62178-116#4332#4448
15K → 20K15253+99#4448#4349
20K → Half543+51#4349#4298
Half → 25K13739+98#4298#4200
25K → 30K176102+74#4200#4126
30K → 20M6668-2#4126#4128
20M → 21M36140-104#4128#4232
21M → 35K2670-44#4232#4276
35K → 23M29261-232#4276#4508
23M → 24M38160-122#4508#4630
24M → 40K23165-142#4630#4772
40K → 25.2M1066-56#4772#4828
25.2M → Finish34102-68#4828#4896
TOTALS10051513-508
📊

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