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BOSTON MARATHON 2025

Nicholas Jeror

NY

Bib: 872 M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 20%
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
6:10/mi
19:08
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:12/mi
38:24
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:11/mi
57:36
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:16/mi
1:17:04
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:12/mi
1:21:18
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:11/mi
1:36:17
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:18/mi
1:55:50
↑ 181↓ 1480.2%
138 ft elev
20M
6:27/mi
2:04:36
↑ 64↓ 500.2%
148 ft elev
21M
6:57/mi
2:11:33
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:14/mi
2:16:13
↑ 17↓ 861.7%
156 ft elev
23M
6:31/mi
2:24:22
↑ 23↓ 630.6%
116 ft elev
24M
6:26/mi
2:30:48
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:32/mi
2:36:23
↓ 200.3%
20 ft elev
25.2M
7:06/mi
2:38:50
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:20/mi
2:45:17
↑ 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
1:21:186:12 /mi⚡ faster
2nd Half
1:23:596:24 /mi+3.3%
Positive split — 3.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2219:086:1019:08
6:10
-
10K
6.21 mi10:38:3838:246:1119:16
6:12
+0:02
15K
9.32 mi10:57:5057:366:1119:12
6:11
-0:01
20K
12.43 mi11:17:181:17:046:1219:28
6:16
+0:05
Half
13.11 mi11:21:321:21:186:124:14
6:12
-0:04
25K
15.53 mi11:36:311:36:176:1214:59
6:11
-0:01
30K
18.64 mi11:56:041:55:506:1319:33
6:18
+0:07
20M
20.00 mi12:04:502:04:366:148:46
6:27
+0:09
21M
21.00 mi12:11:472:11:336:166:57
6:57
+0:30
35K
21.75 mi12:16:272:16:136:164:40
6:14
-0:43
23M
23.00 mi12:24:362:24:226:178:09
6:31
+0:17
24M
24.00 mi12:31:022:30:486:176:26
6:26
-0:05
40K
24.85 mi12:36:372:36:236:185:35
6:32
+0:06
25.2M
25.20 mi12:39:042:38:506:182:27
7:06
+0:34
Finish
26.22 mi12:45:312:45:176:196:27
6:20
-0:46

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

6:10 /mi

Average Pace

6:19 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:35:53

94% of race

Time at Steady Pace

9:24

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:18 /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 mi10:19:2219:086:1019:08
6:10
#1649
10K
6.21 mi10:38:3838:246:1119:16
6:12
#1774
15K
9.32 mi10:57:5057:366:1119:12
6:11
#1761
20K
12.43 mi11:17:181:17:046:1219:28
6:16
#1760
Half
13.11 mi11:21:321:21:186:124:14
6:12
#1771
25K
15.53 mi11:36:311:36:176:1214:59
6:11
#1673
30K
18.64 mi11:56:041:55:506:1319:33
6:18
#1551
20M
20.00 mi12:04:502:04:366:148:46
6:27
#1510
21M
21.00 mi12:11:472:11:336:166:57
6:57
#1503
35K
21.75 mi12:16:272:16:136:164:40
6:14
#1486
23M
23.00 mi12:24:362:24:226:178:09
6:31
#1458
24M
24.00 mi12:31:022:30:486:176:26
6:26
#1435
40K
24.85 mi12:36:372:36:236:185:35
6:32
#1423
25.2M
25.20 mi12:39:042:38:506:182:27
7:06
#1424
Finish
26.22 mi12:45:312:45:176:196:27
6:20
#1422
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi164915671567174216551655
10K6.21 mi3.10 mi1774-1251686-1191686-119192118271827
15K9.32 mi3.11 mi1761+131675+111675+11174216551655
20K12.43 mi3.11 mi1760+11673+21673+2185117621762
Half13.11 mi0.68 mi1771-111683-101683-10196018691869
25K15.53 mi2.42 mi1673+981590+931590+93137012991299
30K18.64 mi3.11 mi1551+1221470+1201470+120118711211121
20M20.00 mi1.36 mi1510+411429+411429+41143113531353
21M21.00 mi1.00 mi1503+71422+71422+7203619111911
35K21.75 mi0.75 mi1486+171405+171405+17136412911291
23M23.00 mi1.25 mi1458+281377+281377+28147713871387
24M24.00 mi1.00 mi1435+231355+221355+22177816541654
40K24.85 mi0.85 mi1423+121344+111344+11169715671567
25.2M25.20 mi0.35 mi1424-113441344176816071607
Finish26.22 mi1.02 mi1422+21343+11343+1200318401840

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1742

Males

1655

M18-39

1655

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1921

Males

1827

M18-39

1827

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1742

Males

1655

M18-39

1655

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

1851

Males

1762

M18-39

1762

20K→Half

12.4 - 13.1 mi

Top 7%
×2story building
+19ft-37ft

Overall

1960

Males

1869

M18-39

1869

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1370

Males

1299

M18-39

1299

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1187

Males

1121

M18-39

1121

30K→20M

18.6 - 20.0 mi

Top 5%
×5story building
+64ft-50ft

Overall

1431

Males

1353

M18-39

1353

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

2036

Males

1911

M18-39

1911

21M→35K

21.0 - 21.8 mi

Top 5%
×7story building
+17ft-86ft

Overall

1364

Males

1291

M18-39

1291

35K→23M

21.8 - 23.0 mi

Top 5%
×5story building
+23ft-63ft

Overall

1477

Males

1387

M18-39

1387

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1778

Males

1654

M18-39

1654

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1697

Males

1567

M18-39

1567

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1768

Males

1607

M18-39

1607

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

2003

Males

1840

M18-39

1840

Passing Analysis

Category:
Athletes Passed
674
Passed By
447
Net Change
+227
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1649
5K → 10K39164-125#1649#1774
10K → 15K6855+13#1774#1761
15K → 20K5554+1#1761#1760
20K → Half516-11#1760#1771
Half → 25K1035+98#1771#1673
25K → 30K13715+122#1673#1551
30K → 20M5615+41#1551#1510
20M → 21M3225+7#1510#1503
21M → 35K3114+17#1503#1486
35K → 23M4820+28#1486#1458
23M → 24M4320+23#1458#1435
24M → 40K2614+12#1435#1423
40K → 25.2M78-1#1423#1424
25.2M → Finish2422+2#1424#1422
TOTALS674447+227

Passing Charts

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