Boston Marathon logo
BOSTON MARATHON 2025

Marc Neil

Bib: 1252•M

0:00
0:00
/ mi
Be the first to cheer!
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

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
5:51/mi
18:10
↑ 97↓ 3451.5%
10K· 6.21 mi
5:55/mi
36:32
↑ 79↓ 1380.4%
15K· 9.32 mi
5:56/mi
54:58
↑ 67↓ 78
20K· 12.43 mi
6:01/mi
1:13:41
↑ 106↓ 860.1%
Half· 13.11 mi
5:59/mi
1:17:46
↑ 19↓ 370.5%
25K· 15.53 mi
6:05/mi
1:32:30
↑ 66↓ 880.2%
30K· 18.64 mi
6:16/mi
1:51:58
↑ 181↓ 1480.2%
20M
7:20/mi
2:01:56
↑ 64↓ 500.2%
21M
7:35/mi
2:09:31
↑ 106↓ 241.6%
35K· 21.75 mi
6:26/mi
2:14:20
↑ 17↓ 861.7%
23M
6:38/mi
2:22:38
↑ 23↓ 630.6%
24M
6:29/mi
2:29:07
↓ 821.3%
40K· 24.85 mi
7:15/mi
2:35:19
↓ 200.3%
25.2M
7:58/mi
2:38:04
↑ 13↓ 160.2%
Finish· 26.22 mi
6:53/mi
2:45:05
↑ 22↓ 21

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:46
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:27:19
Pace6:40 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3818:105:5118:10
5:51
-
10K
6.21 mi10:37:0036:325:5318:22
5:55
+0:04
15K
9.32 mi10:55:2654:585:5418:26
5:56
+0:01
20K
12.43 mi11:14:091:13:415:5618:43
6:01
+0:05
Half
13.11 mi11:18:141:17:465:564:05
5:59
-0:02
25K
15.53 mi11:32:581:32:305:5714:44
6:05
+0:06
30K
18.64 mi11:52:261:51:586:0019:28
6:16
+0:11
20M
20.00 mi12:02:242:01:566:069:58
7:20
+1:04
21M
21.00 mi12:09:592:09:316:107:35
7:35
+0:15
35K
21.75 mi12:14:482:14:206:114:49
6:26
-1:09
23M
23.00 mi12:23:062:22:386:128:18
6:38
+0:12
24M
24.00 mi12:29:352:29:076:136:29
6:29
-0:09
40K
24.85 mi12:35:472:35:196:156:12
7:15
+0:46
25.2M
25.20 mi12:38:322:38:046:162:45
7:58
+0:43
Finish
26.22 mi12:45:332:45:056:187:01
6:53
-1:05

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

5:51 /mi

Average Pace

6:18 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:30

56% of race

Time at Steady Pace

39:04

24% of race

Time at Slower Pace

33:31

20% 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 mi10:18:3818:105:5118:10
5:51
#708
10K
6.21 mi10:37:0036:325:5318:22
5:55
#753
15K
9.32 mi10:55:2654:585:5418:26
5:56
#781
20K
12.43 mi11:14:091:13:415:5618:43
6:01
#805
Half
13.11 mi11:18:141:17:465:564:05
5:59
#817
25K
15.53 mi11:32:581:32:305:5714:44
6:05
#837
30K
18.64 mi11:52:261:51:586:0019:28
6:16
#841
20M
20.00 mi12:02:242:01:566:069:58
7:20
#1036
21M
21.00 mi12:09:592:09:316:107:35
7:35
#1165
35K
21.75 mi12:14:482:14:206:114:49
6:26
#1185
23M
23.00 mi12:23:062:22:386:128:18
6:38
#1177
24M
24.00 mi12:29:352:29:076:136:29
6:29
#1190
40K
24.85 mi12:35:472:35:196:156:12
7:15
#1286
25.2M
25.20 mi12:38:322:38:046:162:45
7:58
#1325
Finish
26.22 mi12:45:332:45:056:187:01
6:53
#1402
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi708658658835(Top 3%)783(Top 5%)783(Top 14%)
10K6.21 mi3.10 mi753-45702-44702-44858(Top 3%)805(Top 5%)805(Top 14%)
15K9.32 mi3.11 mi781-28730-28730-28835(Top 3%)783(Top 5%)783(Top 14%)
20K12.43 mi3.11 mi805-24754-24754-24939(Top 3%)885(Top 5%)885(Top 16%)
Half13.11 mi0.68 mi817-12766-12766-121112(Top 4%)1054(Top 7%)1054(Top 19%)
25K15.53 mi2.42 mi837-20785-19785-191024(Top 4%)967(Top 6%)967(Top 17%)
30K18.64 mi3.11 mi841-4789-4789-41110(Top 4%)1045(Top 6%)1045(Top 19%)
20M20.00 mi1.36 mi1036-195975-186975-1865964(Top 21%)5166(Top 32%)5166(Top 92%)
21M21.00 mi1.00 mi1165-1291098-1231098-1234983(Top 18%)4350(Top 27%)4350(Top 77%)
35K21.75 mi0.75 mi1185-201115-171115-172146(Top 8%)2005(Top 12%)2005(Top 36%)
23M23.00 mi1.25 mi1177+81109+61109+61932(Top 7%)1803(Top 11%)1803(Top 32%)
24M24.00 mi1.00 mi1190-131121-121121-121951(Top 7%)1808(Top 11%)1808(Top 32%)
40K24.85 mi0.85 mi1286-961210-891210-895291(Top 19%)4392(Top 27%)4392(Top 78%)
25.2M25.20 mi0.35 mi1325-391248-381248-385701(Top 20%)4526(Top 28%)4526(Top 80%)
Finish26.22 mi1.02 mi1402-771323-751323-754947(Top 17%)4062(Top 25%)4062(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21story building
+97ft-345ft

Overall

835

Males

783

M18-39

783

5K→10K

3.1 - 6.2 mi

Top 3%
×5story building
+79ft-138ft

Overall

858

Males

805

M18-39

805

10K→15K

6.2 - 9.3 mi

Top 3%
×3story building
+67ft-78ft

Overall

835

Males

783

M18-39

783

15K→20K

9.3 - 12.4 mi

Top 3%
×5story building
+106ft-86ft

Overall

939

Males

885

M18-39

885

20K→Half

12.4 - 13.1 mi

Top 4%
×2story building
+19ft-37ft

Overall

1112

Males

1054

M18-39

1054

Half→25K

13.1 - 15.5 mi

Top 4%
×4story building
+66ft-88ft

Overall

1024

Males

967

M18-39

967

25K→30K

15.5 - 18.6 mi

Top 4%
×9story building
+181ft-148ft

Overall

1110

Males

1045

M18-39

1045

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5964

Males

5166

M18-39

5166

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4983

Males

4350

M18-39

4350

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2146

Males

2005

M18-39

2005

35K→23M

21.8 - 23.0 mi

Top 7%
×5story building
+23ft-63ft

Overall

1932

Males

1803

M18-39

1803

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1951

Males

1808

M18-39

1808

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5291

Males

4392

M18-39

4392

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5701

Males

4526

M18-39

4526

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4947

Males

4062

M18-39

4062

Passing Analysis

Category:
Athletes Passed
190
Passed By
884
Net Change
-694
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#708
5K → 10K1863-45#708#753
10K → 15K1846-28#753#781
15K → 20K2145-24#781#805
20K → Half113-12#805#817
Half → 25K1737-20#817#837
25K → 30K3438-4#837#841
30K → 20M3198-195#841#1036
20M → 21M5134-129#1036#1165
21M → 35K1333-20#1165#1185
35K → 23M3729+8#1185#1177
23M → 24M1528-13#1177#1190
24M → 40K298-96#1190#1286
40K → 25.2M140-39#1286#1325
25.2M → Finish582-77#1325#1402
TOTALS190884-694
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing