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BOSTON MARATHON 2025

Eli Cahan

Bib: 26736•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
8:49/mi
27:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:00/mi
52:15
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:16:52
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:42:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:48:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:18/mi
2:08:15
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:35:22
↑ 181↓ 1480.2%
20M
8:54/mi
2:47:28
↑ 64↓ 500.2%
21M
9:19/mi
2:56:47
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
3:03:12
↑ 17↓ 861.7%
23M
8:53/mi
3:14:19
↑ 23↓ 630.6%
24M
8:39/mi
3:22:58
↓ 821.3%
40K· 24.85 mi
8:44/mi
3:30:26
↓ 200.3%
25.2M
9:43/mi
3:33:47
↑ 13↓ 160.2%
Finish· 26.22 mi
8:11/mi
3:42:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:08
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:53:59
Pace8:42 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1327:248:4927:24
8:49
-
10K
6.21 mi12:13:0452:158:2524:51
8:00
-0:49
15K
9.32 mi12:37:411:16:528:1524:37
7:55
-0:05
20K
12.43 mi13:03:351:42:468:1625:54
8:20
+0:25
Half
13.11 mi13:08:571:48:088:155:22
7:52
-0:28
25K
15.53 mi13:29:042:08:158:1520:07
8:18
+0:26
30K
18.64 mi13:56:112:35:228:2027:07
8:44
+0:26
20M
20.00 mi14:08:172:47:288:2212:06
8:54
+0:10
21M
21.00 mi14:17:362:56:478:259:19
9:19
+0:25
35K
21.75 mi14:24:013:03:128:256:25
8:35
-0:44
23M
23.00 mi14:35:083:14:198:2711:07
8:53
+0:18
24M
24.00 mi14:43:473:22:588:278:39
8:39
-0:14
40K
24.85 mi14:51:153:30:268:287:28
8:44
+0:05
25.2M
25.20 mi14:54:363:33:478:293:21
9:43
+0:59
Finish
26.22 mi15:02:563:42:078:298:20
8:11
-1:32

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

7:52 /mi

Average Pace

8:29 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:11

49% of race

Time at Steady Pace

1:28:10

40% of race

Time at Slower Pace

24:46

11% of race

Average Pace: 8:28 /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 mi11:48:1327:248:4927:24
8:49
#21595
10K
6.21 mi12:13:0452:158:2524:51
8:00
#19282
15K
9.32 mi12:37:411:16:528:1524:37
7:55
#18074
20K
12.43 mi13:03:351:42:468:1625:54
8:20
#17809
Half
13.11 mi13:08:571:48:088:155:22
7:52
#17653
25K
15.53 mi13:29:042:08:158:1520:07
8:18
#17309
30K
18.64 mi13:56:112:35:228:2027:07
8:44
#17053
20M
20.00 mi14:08:172:47:288:2212:06
8:54
#16969
21M
21.00 mi14:17:362:56:478:259:19
9:19
#16819
35K
21.75 mi14:24:013:03:128:256:25
8:35
#16770
23M
23.00 mi14:35:083:14:198:2711:07
8:53
#16673
24M
24.00 mi14:43:473:22:588:278:39
8:39
#16599
40K
24.85 mi14:51:153:30:268:287:28
8:44
#16513
25.2M
25.20 mi14:54:363:33:478:293:21
9:43
#16503
Finish
26.22 mi15:02:563:42:078:298:20
8:11
#16387
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21595131281312815412(Top 54%)10554(Top 66%)10554(Top 187%)
10K6.21 mi3.10 mi19282+231312168+96012168+96016455(Top 58%)11009(Top 68%)11009(Top 195%)
15K9.32 mi3.11 mi18074+120811646+52211646+52215412(Top 54%)10554(Top 66%)10554(Top 187%)
20K12.43 mi3.11 mi17809+26511530+11611530+11617128(Top 60%)11237(Top 70%)11237(Top 199%)
Half13.11 mi0.68 mi17653+15611477+5311477+5314781(Top 52%)10256(Top 64%)10256(Top 182%)
25K15.53 mi2.42 mi17309+34411313+16411313+16415887(Top 56%)10597(Top 66%)10597(Top 188%)
30K18.64 mi3.11 mi17053+25611151+16211151+16216150(Top 57%)10557(Top 66%)10557(Top 187%)
20M20.00 mi1.36 mi16969+8411098+5311098+5316240(Top 57%)10457(Top 65%)10457(Top 185%)
21M21.00 mi1.00 mi16819+15011003+9511003+9515221(Top 54%)9881(Top 61%)9881(Top 175%)
35K21.75 mi0.75 mi16770+4910967+3610967+3615914(Top 56%)10141(Top 63%)10141(Top 180%)
23M23.00 mi1.25 mi16673+9710890+7710890+7715549(Top 55%)9877(Top 61%)9877(Top 175%)
24M24.00 mi1.00 mi16599+7410839+5110839+5115433(Top 54%)9784(Top 61%)9784(Top 173%)
40K24.85 mi0.85 mi16513+8610772+6710772+6714792(Top 52%)9347(Top 58%)9347(Top 166%)
25.2M25.20 mi0.35 mi16503+1010759+1310759+1315642(Top 55%)9708(Top 60%)9708(Top 172%)
Finish26.22 mi1.02 mi16387+11610685+7410685+7414116(Top 50%)9075(Top 56%)9075(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15412

Males

10554

M18-39

10554

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16455

Males

11009

M18-39

11009

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15412

Males

10554

M18-39

10554

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17128

Males

11237

M18-39

11237

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14781

Males

10256

M18-39

10256

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15887

Males

10597

M18-39

10597

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16150

Males

10557

M18-39

10557

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16240

Males

10457

M18-39

10457

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15221

Males

9881

M18-39

9881

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15914

Males

10141

M18-39

10141

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

15549

Males

9877

M18-39

9877

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15433

Males

9784

M18-39

9784

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14792

Males

9347

M18-39

9347

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15642

Males

9708

M18-39

9708

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

14116

Males

9075

M18-39

9075

Passing Analysis

Category:
Athletes Passed
5699
Passed By
491
Net Change
+5208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21595
5K → 10K23163+2313#21595#19282
10K → 15K12135+1208#19282#18074
15K → 20K32560+265#18074#17809
20K → Half1582+156#17809#17653
Half → 25K36218+344#17653#17309
25K → 30K35296+256#17309#17053
30K → 20M13551+84#17053#16969
20M → 21M18737+150#16969#16819
21M → 35K8233+49#16819#16770
35K → 23M16063+97#16770#16673
23M → 24M11137+74#16673#16599
24M → 40K11933+86#16599#16513
40K → 25.2M4030+10#16513#16503
25.2M → Finish13923+116#16503#16387
TOTALS5699491+5208
📊

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