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BOSTON MARATHON 2025

Zachariah Emanuel

DC

Bib: 1543 M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 11%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
6:15/mi
19:25
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:12/mi
38:42
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:15/mi
58:07
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:13/mi
1:17:25
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:05/mi
1:21:34
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:07/mi
1:36:25
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
5:55/mi
1:54:49
↑ 181↓ 1480.2%
138 ft elev
20M
5:50/mi
2:02:45
↑ 64↓ 500.2%
148 ft elev
21M
6:09/mi
2:08:54
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
5:40/mi
2:13:08
↑ 17↓ 861.7%
156 ft elev
23M
5:59/mi
2:20:38
↑ 23↓ 630.6%
116 ft elev
24M
5:50/mi
2:26:28
↓ 821.3%
34 ft elev
40K· 24.85 mi
5:59/mi
2:31:35
↓ 200.3%
20 ft elev
25.2M
6:31/mi
2:33:50
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
5:49/mi
2:39:46
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:21:346:13 /mi+4.1%
2nd Half
1:18:125:58 /mi✓ faster
Negative split — 4.1% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
19:256:153.11 mi19:25
6:15
-
10K
38:426:143.10 mi19:17
6:12
-0:03
15K
58:076:143.11 mi19:25
6:15
+0:03
20K
1:17:256:143.11 mi19:18
6:13
-0:02
Half(13.11 mi)
1:21:346:130.68 mi4:09
6:05
-0:08
25K
1:36:256:122.42 mi14:51
6:07
+0:02
30K
1:54:496:103.11 mi18:24
5:55
-0:12
20M
2:02:456:081.36 mi7:56
5:50
-0:05
21M
2:08:546:081.00 mi6:09
6:09
+0:19
35K
2:13:086:070.75 mi4:14
5:40
-0:29
23M
2:20:386:071.25 mi7:30
5:59
+0:19
24M
2:26:286:061.00 mi5:50
5:50
-0:09
40K
2:31:356:060.85 mi5:07
5:59
+0:09
25.2M
2:33:506:060.35 mi2:15
6:31
+0:32
Finish(26.22 mi)
2:39:466:061.02 mi5:56
5:49
-0:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:40 /mi

Average Pace

6:06 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:58:41

74% of race

Time at Steady Pace

41:05

26% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:06 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi212620272027207619791979
10K3.10 mi2016+1101921+1061921+106194318481848
15K3.11 mi2022-61926-51926-5207619791979
20K3.11 mi1892+1301803+1231803+123161415321532
Half(13.11 mi)0.68 mi1869+231780+231780+23142913571357
25K2.42 mi1707+1621620+1601620+160116210961096
30K3.11 mi1333+3741258+3621258+362392363363
20M1.36 mi1174+1591107+1511107+151218200200
21M1.00 mi1053+121992+115992+115231214214
35K0.75 mi989+64931+61931+61237217217
23M1.25 mi913+76857+74857+74328306306
24M1.00 mi857+56803+54803+54314292292
40K0.85 mi818+39766+37766+37375348348
25.2M0.35 mi808+10756+10756+10487452452
Finish(26.22 mi)1.02 mi782+26730+26730+26548513513

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21story building
+97ft-345ft

Overall

2076

Males

1979

M18-39

1979

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1943

Males

1848

M18-39

1848

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+67ft-78ft

Overall

2076

Males

1979

M18-39

1979

15K→20K

9.3 - 12.4 mi

Top 6%
×5story building
+106ft-86ft

Overall

1614

Males

1532

M18-39

1532

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1429

Males

1357

M18-39

1357

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1162

Males

1096

M18-39

1096

25K→30K

15.5 - 18.6 mi

Top 1%
×9story building
+181ft-148ft

Overall

392

Males

363

M18-39

363

30K→20M

18.6 - 20.0 mi

Top 0.8%
×5story building
+64ft-50ft

Overall

218

Males

200

M18-39

200

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8story building
+106ft-24ft

Overall

231

Males

214

M18-39

214

21M→35K

21.0 - 21.8 mi

Top 0.8%
×7story building
+17ft-86ft

Overall

237

Males

217

M18-39

217

35K→23M

21.8 - 23.0 mi

Top 1%
×5story building
+23ft-63ft

Overall

328

Males

306

M18-39

306

23M→24M

23.0 - 24.0 mi

Top 1%
×6story building
+12ft-82ft

Overall

314

Males

292

M18-39

292

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

375

Males

348

M18-39

348

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

487

Males

452

M18-39

452

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2story building
+22ft-21ft

Overall

548

Males

513

M18-39

513

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#2126
5K → 10K
72182+110
#2126 → #2016
10K → 15K
6660-6
#2016 → #2022
15K → 20K
10140+130
#2022 → #1892
20K → Half
326+23
#1892 → #1869
Half → 25K
3165+162
#1869 → #1707
25K → 30K
0374+374
#1707 → #1333
30K → 20M
0159+159
#1333 → #1174
20M → 21M
0121+121
#1174 → #1053
21M → 35K
064+64
#1053 → #989
35K → 23M
076+76
#989 → #913
23M → 24M
056+56
#913 → #857
24M → 40K
039+39
#857 → #818
40K → 25.2M
212+10
#818 → #808
25.2M → Finish
430+26
#808 → #782
TOTALS
1601504+1344
#2126 → #782

Passing Visualized

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