Boston Marathon logo
BOSTON MARATHON 2025

Nathan Allinson

Bib: 6307•M

BC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 17%
Division (M18-39)
#0 / 5642
Top 37%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:06
Rank: #3596
Start → 5K
20:06 | 6:28/mi
10K· 6.21 mi
39:57
Rank: #3261 (+335)
5K → 10K
19:51 | 6:23/mi
15K· 9.32 mi
59:48
Rank: #3115 (+146)
10K → 15K
19:51 | 6:23/mi
20K· 12.43 mi
1:19:54
Rank: #3034 (+81)
15K → 20K
20:06 | 6:28/mi
Half· 13.11 mi
1:24:14
Rank: #3031 (+3)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:40:04
Rank: #3001 (+30)
Half → 25K
15:50 | 6:32/mi
30K· 18.64 mi
2:01:07
Rank: #3020 (-19)
25K → 30K
21:03 | 6:47/mi
20M
2:10:26
Rank: #2998 (+22)
30K → 20M
9:19 | 6:51/mi
21M
2:17:40
Rank: #2980 (+18)
20M → 21M
7:14 | 7:14/mi
35K· 21.75 mi
2:22:40
Rank: #2959 (+21)
21M → 35K
5:00 | 6:41/mi
23M
2:31:15
Rank: #2919 (+40)
35K → 23M
8:35 | 6:51/mi
24M
2:37:53
Rank: #2874 (+45)
23M → 24M
6:38 | 6:38/mi
40K· 24.85 mi
2:43:34
Rank: #2812 (+62)
24M → 40K
5:41 | 6:39/mi
25.2M
2:46:12
Rank: #2812
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
2:53:02
Rank: #2816 (-4)
25.2M → Finish
6:50 | 6:42/mi

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
Time1:24:14
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:28:48
Pace6:46 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:0820:066:2820:06
6:28
-
10K
6.21 mi10:44:5939:576:2619:51
6:23
-0:05
15K
9.32 mi11:04:5059:486:2519:51
6:23
0:00
20K
12.43 mi11:24:561:19:546:2620:06
6:28
+0:05
Half
13.11 mi11:29:161:24:146:264:20
6:21
-0:07
25K
15.53 mi11:45:061:40:046:2715:50
6:32
+0:11
30K
18.64 mi12:06:092:01:076:3021:03
6:47
+0:15
20M
20.00 mi12:15:282:10:266:319:19
6:51
+0:04
21M
21.00 mi12:22:422:17:406:337:14
7:14
+0:23
35K
21.75 mi12:27:422:22:406:345:00
6:41
-0:33
23M
23.00 mi12:36:172:31:156:358:35
6:51
+0:10
24M
24.00 mi12:42:552:37:536:356:38
6:38
-0:13
40K
24.85 mi12:48:362:43:346:355:41
6:39
+0:01
25.2M
25.20 mi12:51:142:46:126:362:38
7:38
+0:59
Finish
26.22 mi12:58:042:53:026:366:50
6:42
-0:56

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

6:21 /mi

Average Pace

6:36 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:14

49% of race

Time at Steady Pace

1:01:02

35% of race

Time at Slower Pace

27:46

16% of race

Average Pace: 6:36 /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 mi10:25:0820:066:2820:06
6:28
#3596
10K
6.21 mi10:44:5939:576:2619:51
6:23
#3261
15K
9.32 mi11:04:5059:486:2519:51
6:23
#3115
20K
12.43 mi11:24:561:19:546:2620:06
6:28
#3034
Half
13.11 mi11:29:161:24:146:264:20
6:21
#3031
25K
15.53 mi11:45:061:40:046:2715:50
6:32
#3001
30K
18.64 mi12:06:092:01:076:3021:03
6:47
#3020
20M
20.00 mi12:15:282:10:266:319:19
6:51
#2998
21M
21.00 mi12:22:422:17:406:337:14
7:14
#2980
35K
21.75 mi12:27:422:22:406:345:00
6:41
#2959
23M
23.00 mi12:36:172:31:156:358:35
6:51
#2919
24M
24.00 mi12:42:552:37:536:356:38
6:38
#2874
40K
24.85 mi12:48:362:43:346:355:41
6:39
#2812
25.2M
25.20 mi12:51:142:46:126:362:38
7:38
#2812
Finish
26.22 mi12:58:042:53:026:366:50
6:42
#2816
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3596341134112858(Top 10%)2723(Top 17%)2723(Top 48%)
10K6.21 mi3.10 mi3261+3353098+3133098+3132960(Top 10%)2818(Top 17%)2818(Top 50%)
15K9.32 mi3.11 mi3115+1462965+1332965+1332858(Top 10%)2723(Top 17%)2723(Top 48%)
20K12.43 mi3.11 mi3034+812892+732892+732929(Top 10%)2789(Top 17%)2789(Top 49%)
Half13.11 mi0.68 mi3031+32890+22890+22763(Top 10%)2639(Top 16%)2639(Top 47%)
25K15.53 mi2.42 mi3001+302859+312859+313037(Top 11%)2882(Top 18%)2882(Top 51%)
30K18.64 mi3.11 mi3020-192875-162875-163277(Top 12%)3065(Top 19%)3065(Top 54%)
20M20.00 mi1.36 mi2998+222850+252850+253213(Top 11%)2969(Top 18%)2969(Top 53%)
21M21.00 mi1.00 mi2980+182827+232827+233247(Top 11%)2985(Top 19%)2985(Top 53%)
35K21.75 mi0.75 mi2959+212802+252802+253358(Top 12%)3057(Top 19%)3057(Top 54%)
23M23.00 mi1.25 mi2919+402763+392763+392962(Top 10%)2704(Top 17%)2704(Top 48%)
24M24.00 mi1.00 mi2874+452719+442719+442625(Top 9%)2408(Top 15%)2408(Top 43%)
40K24.85 mi0.85 mi2812+622663+562663+562143(Top 8%)1969(Top 12%)1969(Top 35%)
25.2M25.20 mi0.35 mi28122662+12662+13960(Top 14%)3376(Top 21%)3376(Top 60%)
Finish26.22 mi1.02 mi2816-42664-22664-23864(Top 14%)3329(Top 21%)3329(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2858

Males

2723

M18-39

2723

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2960

Males

2818

M18-39

2818

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2858

Males

2723

M18-39

2723

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2929

Males

2789

M18-39

2789

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2763

Males

2639

M18-39

2639

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3037

Males

2882

M18-39

2882

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3277

Males

3065

M18-39

3065

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3213

Males

2969

M18-39

2969

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3247

Males

2985

M18-39

2985

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3358

Males

3057

M18-39

3057

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2962

Males

2704

M18-39

2704

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2625

Males

2408

M18-39

2408

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2143

Males

1969

M18-39

1969

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3960

Males

3376

M18-39

3376

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3864

Males

3329

M18-39

3329

Passing Analysis

Category:
Athletes Passed
1296
Passed By
516
Net Change
+780
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3596
5K → 10K36833+335#3596#3261
10K → 15K17226+146#3261#3115
15K → 20K12645+81#3115#3034
20K → Half1714+3#3034#3031
Half → 25K8050+30#3031#3001
25K → 30K111130-19#3001#3020
30K → 20M5836+22#3020#2998
20M → 21M5335+18#2998#2980
21M → 35K4524+21#2980#2959
35K → 23M7030+40#2959#2919
23M → 24M6823+45#2919#2874
24M → 40K7513+62#2874#2812
40K → 25.2M15150#2812#2812
25.2M → Finish3842-4#2812#2816
TOTALS1296516+780
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing