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BOSTON MARATHON 2025

Jason Kaplan

Bib: 8898•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 29%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M40-44)
#0 / 2247
Top 37%
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
6:51/mi
21:18
↑ 97↓ 3451.5%
10K· 6.21 mi
6:46/mi
42:18
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:03:32
↑ 67↓ 78
20K· 12.43 mi
6:44/mi
1:24:28
↑ 106↓ 860.1%
Half· 13.11 mi
6:36/mi
1:28:58
↑ 19↓ 370.5%
25K· 15.53 mi
6:46/mi
1:45:22
↑ 66↓ 880.2%
30K· 18.64 mi
7:01/mi
2:07:11
↑ 181↓ 1480.2%
20M
7:11/mi
2:16:57
↑ 64↓ 500.2%
21M
7:41/mi
2:24:38
↑ 106↓ 241.6%
35K· 21.75 mi
6:52/mi
2:29:46
↑ 17↓ 861.7%
23M
7:14/mi
2:38:49
↑ 23↓ 630.6%
24M
7:13/mi
2:46:02
↓ 821.3%
40K· 24.85 mi
7:06/mi
2:52:06
↓ 200.3%
25.2M
7:56/mi
2:54:50
↑ 13↓ 160.2%
Finish· 26.22 mi
6:50/mi
3:01:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:58
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:32:50
Pace7:05 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4921:186:5121:18
6:51
-
10K
6.21 mi11:07:4942:186:4821:00
6:46
-0:05
15K
9.32 mi11:29:031:03:326:4921:14
6:50
+0:04
20K
12.43 mi11:49:591:24:286:4820:56
6:44
-0:06
Half
13.11 mi11:54:291:28:586:474:30
6:36
-0:08
25K
15.53 mi12:10:531:45:226:4716:24
6:46
+0:10
30K
18.64 mi12:32:422:07:116:4921:49
7:01
+0:15
20M
20.00 mi12:42:282:16:576:519:46
7:11
+0:10
21M
21.00 mi12:50:092:24:386:537:41
7:41
+0:30
35K
21.75 mi12:55:172:29:466:535:08
6:52
-0:49
23M
23.00 mi13:04:202:38:496:549:03
7:14
+0:22
24M
24.00 mi13:11:332:46:026:557:13
7:13
-0:01
40K
24.85 mi13:17:372:52:066:556:04
7:06
-0:07
25.2M
25.20 mi13:20:212:54:506:562:44
7:56
+0:50
Finish
26.22 mi13:27:193:01:486:566:58
6:50
-1:06

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

6:36 /mi

Average Pace

6:56 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:30

2% of race

Time at Steady Pace

2:14:47

74% of race

Time at Slower Pace

42:31

23% of race

Average Pace: 6:56 /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 mi10:46:4921:186:5121:18
6:51
#6732
10K
6.21 mi11:07:4942:186:4821:00
6:46
#6366
15K
9.32 mi11:29:031:03:326:4921:14
6:50
#6355
20K
12.43 mi11:49:591:24:286:4820:56
6:44
#5917
Half
13.11 mi11:54:291:28:586:474:30
6:36
#5826
25K
15.53 mi12:10:531:45:226:4716:24
6:46
#5564
30K
18.64 mi12:32:422:07:116:4921:49
7:01
#5351
20M
20.00 mi12:42:282:16:576:519:46
7:11
#5344
21M
21.00 mi12:50:092:24:386:537:41
7:41
#5333
35K
21.75 mi12:55:172:29:466:535:08
6:52
#5282
23M
23.00 mi13:04:202:38:496:549:03
7:14
#5225
24M
24.00 mi13:11:332:46:026:557:13
7:13
#5216
40K
24.85 mi13:17:372:52:066:556:04
7:06
#5161
25.2M
25.20 mi13:20:212:54:506:562:44
7:56
#5142
Finish
26.22 mi13:27:193:01:486:566:58
6:50
#5069
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi6732610061006416(Top 23%)5799(Top 36%)5799(Top 258%)
10K6.21 mi3.10 mi6366+3665812+2885812+2885932(Top 21%)5426(Top 34%)5426(Top 241%)
15K9.32 mi3.11 mi6355+115790+225790+226416(Top 23%)5799(Top 36%)5799(Top 258%)
20K12.43 mi3.11 mi5917+4385416+3745416+3744761(Top 17%)4406(Top 27%)4406(Top 196%)
Half13.11 mi0.68 mi5826+915340+765340+764351(Top 15%)4073(Top 25%)4073(Top 181%)
25K15.53 mi2.42 mi5564+2625112+2285112+2284593(Top 16%)4238(Top 26%)4238(Top 189%)
30K18.64 mi3.11 mi5351+2134911+2014911+2014822(Top 17%)4394(Top 27%)4394(Top 196%)
20M20.00 mi1.36 mi5344+74895+164895+165120(Top 18%)4569(Top 28%)4569(Top 203%)
21M21.00 mi1.00 mi5333+114876+194876+195541(Top 20%)4751(Top 30%)4751(Top 211%)
35K21.75 mi0.75 mi5282+514832+444832+444475(Top 16%)3977(Top 25%)3977(Top 177%)
23M23.00 mi1.25 mi5225+574768+644768+645022(Top 18%)4329(Top 27%)4329(Top 193%)
24M24.00 mi1.00 mi5216+94751+174751+175891(Top 21%)4839(Top 30%)4839(Top 215%)
40K24.85 mi0.85 mi5161+554693+584693+584427(Top 16%)3795(Top 24%)3795(Top 169%)
25.2M25.20 mi0.35 mi5142+194673+204673+205502(Top 19%)4420(Top 27%)4420(Top 197%)
Finish26.22 mi1.02 mi5069+734604+694604+694695(Top 17%)3919(Top 24%)3919(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6416

Males

5799

M40-44

5799

5K→10K

3.1 - 6.2 mi

Top 21%
×5story building
+79ft-138ft

Overall

5932

Males

5426

M40-44

5426

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6416

Males

5799

M40-44

5799

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4761

Males

4406

M40-44

4406

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4351

Males

4073

M40-44

4073

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4593

Males

4238

M40-44

4238

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4822

Males

4394

M40-44

4394

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

5120

Males

4569

M40-44

4569

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5541

Males

4751

M40-44

4751

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4475

Males

3977

M40-44

3977

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

5022

Males

4329

M40-44

4329

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5891

Males

4839

M40-44

4839

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4427

Males

3795

M40-44

3795

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5502

Males

4420

M40-44

4420

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4695

Males

3919

M40-44

3919

Passing Analysis

Category:
Athletes Passed
2246
Passed By
583
Net Change
+1663
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6732
5K → 10K42357+366#6732#6366
10K → 15K150139+11#6366#6355
15K → 20K4446+438#6355#5917
20K → Half921+91#5917#5826
Half → 25K27210+262#5826#5564
25K → 30K28269+213#5564#5351
30K → 20M8376+7#5351#5344
20M → 21M9079+11#5344#5333
21M → 35K6413+51#5333#5282
35K → 23M10548+57#5282#5225
23M → 24M5849+9#5225#5216
24M → 40K7318+55#5216#5161
40K → 25.2M267+19#5161#5142
25.2M → Finish8411+73#5142#5069
TOTALS2246583+1663
📊

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