Boston Marathon logo
BOSTON MARATHON 2025

Drew Marshall

Bib: 376•M

NC

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 0.2%
Gender (Male)
#0 / 16105
Top 0.4%
Division (M18-39)
#0 / 5642
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:31
Rank: #75
Start → 5K
16:31 | 5:19/mi
10K· 6.21 mi
32:37
Rank: #57 (+18)
5K → 10K
16:06 | 5:11/mi
15K· 9.32 mi
48:56
Rank: #55 (+2)
10K → 15K
16:19 | 5:15/mi
20K· 12.43 mi
1:05:23
Rank: #59 (-4)
15K → 20K
16:27 | 5:18/mi
Half· 13.11 mi
1:08:54
Rank: #59
20K → Half
3:31 | 5:09/mi
25K· 15.53 mi
1:21:37
Rank: #59
Half → 25K
12:43 | 5:15/mi
30K· 18.64 mi
1:38:36
Rank: #58 (+1)
25K → 30K
16:59 | 5:28/mi
20M
1:46:16
Rank: #58
30K → 20M
7:40 | 5:38/mi
21M
1:52:21
Rank: #58
20M → 21M
6:05 | 6:05/mi
35K· 21.75 mi
1:56:26
Rank: #59 (-1)
21M → 35K
4:05 | 5:27/mi
23M
2:03:41
Rank: #62 (-3)
35K → 23M
7:15 | 5:47/mi
24M
2:09:26
Rank: #63 (-1)
23M → 24M
5:45 | 5:45/mi
40K· 24.85 mi
2:14:39
Rank: #63
24M → 40K
5:13 | 6:06/mi
25.2M
2:16:55
Rank: #65 (-2)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:22:49
Rank: #71 (-6)
25.2M → Finish
5:54 | 5:47/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
Time1:08:54
Pace5:15 /mi
2nd Half
Distance13.11 mi
Time1:13:55
Pace5:38 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:3516:315:1916:31
5:19
-
10K
6.21 mi10:32:4132:375:1516:06
5:11
-0:08
15K
9.32 mi10:49:0048:565:1516:19
5:15
+0:04
20K
12.43 mi11:05:271:05:235:1616:27
5:18
+0:03
Half
13.11 mi11:08:581:08:545:153:31
5:09
-0:09
25K
15.53 mi11:21:411:21:375:1512:43
5:15
+0:06
30K
18.64 mi11:38:401:38:365:1716:59
5:28
+0:13
20M
20.00 mi11:46:201:46:165:197:40
5:38
+0:10
21M
21.00 mi11:52:251:52:215:216:05
6:05
+0:27
35K
21.75 mi11:56:301:56:265:214:05
5:27
-0:38
23M
23.00 mi12:03:452:03:415:237:15
5:47
+0:20
24M
24.00 mi12:09:302:09:265:245:45
5:45
-0:02
40K
24.85 mi12:14:432:14:395:255:13
6:06
+0:21
25.2M
25.20 mi12:16:592:16:555:262:16
6:34
+0:28
Finish
26.22 mi12:22:532:22:495:275:54
5:47
-0:47

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

5:09 /mi

Average Pace

5:27 /mi

Slowest Pace

6:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:39

34% of race

Time at Steady Pace

1:01:42

43% of race

Time at Slower Pace

32:28

23% of race

Average Pace: 5:27 /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 mi10:16:3516:315:1916:31
5:19
#75
10K
6.21 mi10:32:4132:375:1516:06
5:11
#57
15K
9.32 mi10:49:0048:565:1516:19
5:15
#55
20K
12.43 mi11:05:271:05:235:1616:27
5:18
#59
Half
13.11 mi11:08:581:08:545:153:31
5:09
#59
25K
15.53 mi11:21:411:21:375:1512:43
5:15
#59
30K
18.64 mi11:38:401:38:365:1716:59
5:28
#58
20M
20.00 mi11:46:201:46:165:197:40
5:38
#58
21M
21.00 mi11:52:251:52:215:216:05
6:05
#58
35K
21.75 mi11:56:301:56:265:214:05
5:27
#59
23M
23.00 mi12:03:452:03:415:237:15
5:47
#62
24M
24.00 mi12:09:302:09:265:245:45
5:45
#63
40K
24.85 mi12:14:432:14:395:255:13
6:06
#63
25.2M
25.20 mi12:16:592:16:555:262:16
6:34
#65
Finish
26.22 mi12:22:532:22:495:275:54
5:47
#71
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi75757544(Top 0.2%)43(Top 0.3%)43(Top 0.8%)
10K6.21 mi3.10 mi57+1857+1857+1860(Top 0.2%)45(Top 0.3%)45(Top 0.8%)
15K9.32 mi3.11 mi55+255+255+244(Top 0.2%)43(Top 0.3%)43(Top 0.8%)
20K12.43 mi3.11 mi59-454+154+156(Top 0.2%)51(Top 0.3%)51(Top 0.9%)
Half13.11 mi0.68 mi59545446(Top 0.2%)46(Top 0.3%)46(Top 0.8%)
25K15.53 mi2.42 mi59545452(Top 0.2%)47(Top 0.3%)47(Top 0.8%)
30K18.64 mi3.11 mi58+153+153+166(Top 0.2%)61(Top 0.4%)61(Top 1%)
20M20.00 mi1.36 mi58535399(Top 0.3%)93(Top 0.6%)93(Top 2%)
21M21.00 mi1.00 mi585353172(Top 0.6%)158(Top 1.0%)158(Top 3%)
35K21.75 mi0.75 mi59-154-154-192(Top 0.3%)85(Top 0.5%)85(Top 2%)
23M23.00 mi1.25 mi62-357-357-3155(Top 0.5%)144(Top 0.9%)144(Top 3%)
24M24.00 mi1.00 mi63-158-158-1224(Top 0.8%)204(Top 1%)204(Top 4%)
40K24.85 mi0.85 mi635858534(Top 2%)497(Top 3%)497(Top 9%)
25.2M25.20 mi0.35 mi65-260-260-2528(Top 2%)488(Top 3%)488(Top 9%)
Finish26.22 mi1.02 mi71-663-363-3483(Top 2%)452(Top 3%)452(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.2%
×21stories
+97ft-345ft

Overall

44

Males

43

M18-39

43

5K→10K

3.1 - 6.2 mi

Top 0.2%
×5stories
+79ft-138ft

Overall

60

Males

45

M18-39

45

10K→15K

6.2 - 9.3 mi

Top 0.2%
×3stories
+67ft-78ft

Overall

44

Males

43

M18-39

43

15K→20K

9.3 - 12.4 mi

Top 0.2%
×5stories
+106ft-86ft

Overall

56

Males

51

M18-39

51

20K→Half

12.4 - 13.1 mi

Top 0.2%
×2stories
+19ft-37ft

Overall

46

Males

46

M18-39

46

Half→25K

13.1 - 15.5 mi

Top 0.2%
×4stories
+66ft-88ft

Overall

52

Males

47

M18-39

47

25K→30K

15.5 - 18.6 mi

Top 0.2%
×9stories
+181ft-148ft

Overall

66

Males

61

M18-39

61

30K→20M

18.6 - 20.0 mi

Top 0.3%
×5stories
+64ft-50ft

Overall

99

Males

93

M18-39

93

20M→21M

20.0 - 21.0 mi

Top 0.6%
×8stories
+106ft-24ft

Overall

172

Males

158

M18-39

158

21M→35K

21.0 - 21.8 mi

Top 0.3%
×7stories
+17ft-86ft

Overall

92

Males

85

M18-39

85

35K→23M

21.8 - 23.0 mi

Top 0.5%
×5stories
+23ft-63ft

Overall

155

Males

144

M18-39

144

23M→24M

23.0 - 24.0 mi

Top 0.8%
×6stories
+12ft-82ft

Overall

224

Males

204

M18-39

204

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

534

Males

497

M18-39

497

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

528

Males

488

M18-39

488

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

483

Males

452

M18-39

452

Passing Analysis

Category:
Athletes Passed
26
Passed By
22
Net Change
+4
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#75
5K → 10K180+18#75#57
10K → 15K20+2#57#55
15K → 20K15-4#55#59
20K → Half000#59#59
Half → 25K110#59#59
25K → 30K10+1#59#58
30K → 20M000#58#58
20M → 21M110#58#58
21M → 35K01-1#58#59
35K → 23M03-3#59#62
23M → 24M01-1#62#63
24M → 40K110#63#63
40K → 25.2M02-2#63#65
25.2M → Finish17-6#65#71
TOTALS2622+4
📊

Passing Visuals

Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

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