Boston Marathon logo
BOSTON MARATHON 2025

Max Parrow

Bib: 31859•M

MA

0:00
0:00
/ mi
Be the first to cheer!
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
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
7:40/mi
48:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:43/mi
1:12:17
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:37:07
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:42:45
↑ 19↓ 370.5%
25K· 15.53 mi
8:35/mi
2:03:34
↑ 66↓ 880.2%
30K· 18.64 mi
9:09/mi
2:31:59
↑ 181↓ 1480.2%
20M
9:32/mi
2:44:56
↑ 64↓ 500.2%
21M
12:09/mi
2:57:05
↑ 106↓ 241.6%
35K· 21.75 mi
10:04/mi
3:04:37
↑ 17↓ 861.7%
23M
10:58/mi
3:18:21
↑ 23↓ 630.6%
24M
9:29/mi
3:27:50
↓ 821.3%
40K· 24.85 mi
10:21/mi
3:36:41
↓ 200.3%
25.2M
11:30/mi
3:40:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
3:49:47
↑ 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
Time1:42:45
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time2:07:02
Pace9:41 /mi
📊Positive Split: 23.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3724:297:5324:29
7:53
-
10K
6.21 mi12:11:2748:197:4723:50
7:40
-0:13
15K
9.32 mi12:35:251:12:177:4523:58
7:43
+0:03
20K
12.43 mi13:00:151:37:077:4924:50
8:00
+0:17
Half
13.11 mi13:05:531:42:457:505:38
8:15
+0:15
25K
15.53 mi13:26:422:03:347:5720:49
8:35
+0:20
30K
18.64 mi13:55:072:31:598:0928:25
9:09
+0:34
20M
20.00 mi14:08:042:44:568:1512:57
9:32
+0:23
21M
21.00 mi14:20:132:57:058:2612:09
12:09
+2:37
35K
21.75 mi14:27:453:04:378:297:32
10:04
-2:05
23M
23.00 mi14:41:293:18:218:3713:44
10:58
+0:54
24M
24.00 mi14:50:583:27:508:409:29
9:29
-1:29
40K
24.85 mi14:59:493:36:418:438:51
10:21
+0:52
25.2M
25.20 mi15:03:473:40:398:453:58
11:30
+1:09
Finish
26.22 mi15:12:553:49:478:469:08
8:58
-2:32

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

7:40 /mi

Average Pace

8:46 /mi

Slowest Pace

12:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:45

45% of race

Time at Steady Pace

1:20:48

35% of race

Time at Slower Pace

46:14

20% of race

Average Pace: 8:46 /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 mi11:47:3724:297:5324:29
7:53
#15509
10K
6.21 mi12:11:2748:197:4723:50
7:40
#14546
15K
9.32 mi12:35:251:12:177:4523:58
7:43
#14249
20K
12.43 mi13:00:151:37:077:4924:50
8:00
#14382
Half
13.11 mi13:05:531:42:457:505:38
8:15
#14557
25K
15.53 mi13:26:422:03:347:5720:49
8:35
#15194
30K
18.64 mi13:55:072:31:598:0928:25
9:09
#15887
20M
20.00 mi14:08:042:44:568:1512:57
9:32
#16186
21M
21.00 mi14:20:132:57:058:2612:09
12:09
#16902
35K
21.75 mi14:27:453:04:378:297:32
10:04
#17199
23M
23.00 mi14:41:293:18:218:3713:44
10:58
#17814
24M
24.00 mi14:50:583:27:508:409:29
9:29
#17900
40K
24.85 mi14:59:493:36:418:438:51
10:21
#18130
25.2M
25.20 mi15:03:473:40:398:453:58
11:30
#18235
Finish
26.22 mi15:12:553:49:478:469:08
8:58
#18276
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi15509106291062913635(Top 48%)9793(Top 61%)9793(Top 174%)
10K6.21 mi3.10 mi14546+96310240+38910240+38913629(Top 48%)9854(Top 61%)9854(Top 175%)
15K9.32 mi3.11 mi14249+29710094+14610094+14613635(Top 48%)9793(Top 61%)9793(Top 174%)
20K12.43 mi3.11 mi14382-13310117-2310117-2314883(Top 52%)10263(Top 64%)10263(Top 182%)
Half13.11 mi0.68 mi14557-17510195-7810195-7817618(Top 62%)11460(Top 71%)11460(Top 203%)
25K15.53 mi2.42 mi15194-63710432-23710432-23717714(Top 62%)11411(Top 71%)11411(Top 202%)
30K18.64 mi3.11 mi15887-69310682-25010682-25018376(Top 65%)11556(Top 72%)11556(Top 205%)
20M20.00 mi1.36 mi16186-29910764-8210764-8219291(Top 68%)11818(Top 73%)11818(Top 209%)
21M21.00 mi1.00 mi16902-71611045-28111045-28123837(Top 84%)13834(Top 86%)13834(Top 245%)
35K21.75 mi0.75 mi17199-29711130-8511130-8522083(Top 78%)12946(Top 80%)12946(Top 229%)
23M23.00 mi1.25 mi17814-61511375-24511375-24523140(Top 81%)13395(Top 83%)13395(Top 237%)
24M24.00 mi1.00 mi17900-8611381-611381-619566(Top 69%)11651(Top 72%)11651(Top 207%)
40K24.85 mi0.85 mi18130-23011463-8211463-8221517(Top 76%)12521(Top 78%)12521(Top 222%)
25.2M25.20 mi0.35 mi18235-10511499-3611499-3622007(Top 77%)12782(Top 79%)12782(Top 227%)
Finish26.22 mi1.02 mi18276-4111494+511494+518833(Top 66%)11282(Top 70%)11282(Top 200%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

13635

Males

9793

M18-39

9793

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

13629

Males

9854

M18-39

9854

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

13635

Males

9793

M18-39

9793

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

14883

Males

10263

M18-39

10263

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

17618

Males

11460

M18-39

11460

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

17714

Males

11411

M18-39

11411

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

18376

Males

11556

M18-39

11556

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19291

Males

11818

M18-39

11818

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23837

Males

13834

M18-39

13834

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

22083

Males

12946

M18-39

12946

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

23140

Males

13395

M18-39

13395

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

19566

Males

11651

M18-39

11651

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

21517

Males

12521

M18-39

12521

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

22007

Males

12782

M18-39

12782

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

18833

Males

11282

M18-39

11282

Passing Analysis

Category:
Athletes Passed
1944
Passed By
4711
Net Change
-2767
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15509
5K → 10K101653+963#15509#14546
10K → 15K36770+297#14546#14249
15K → 20K168301-133#14249#14382
20K → Half9184-175#14382#14557
Half → 25K61698-637#14557#15194
25K → 30K90783-693#15194#15887
30K → 20M51350-299#15887#16186
20M → 21M14730-716#16186#16902
21M → 35K17314-297#16902#17199
35K → 23M24639-615#17199#17814
23M → 24M58144-86#17814#17900
24M → 40K20250-230#17900#18130
40K → 25.2M3108-105#18130#18235
25.2M → Finish4687-41#18235#18276
TOTALS19444711-2767
📊

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