Boston Marathon logo
BOSTON MARATHON 2025

Kevin Alloway

Bib: 675•M

PA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 12%
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
6:12/mi
19:15
↑ 97↓ 3451.5%
10K· 6.21 mi
6:14/mi
38:36
↑ 79↓ 1380.4%
15K· 9.32 mi
6:10/mi
57:47
↑ 67↓ 78
20K· 12.43 mi
6:10/mi
1:16:57
↑ 106↓ 860.1%
Half· 13.11 mi
6:03/mi
1:21:05
↑ 19↓ 370.5%
25K· 15.53 mi
6:10/mi
1:36:03
↑ 66↓ 880.2%
30K· 18.64 mi
6:07/mi
1:55:04
↑ 181↓ 1480.2%
20M
6:06/mi
2:03:21
↑ 64↓ 500.2%
21M
6:18/mi
2:09:39
↑ 106↓ 241.6%
35K· 21.75 mi
5:53/mi
2:14:03
↑ 17↓ 861.7%
23M
5:57/mi
2:21:30
↑ 23↓ 630.6%
24M
5:55/mi
2:27:25
↓ 821.3%
40K· 24.85 mi
6:03/mi
2:32:35
↓ 200.3%
25.2M
6:23/mi
2:34:47
↑ 13↓ 160.2%
Finish· 26.22 mi
5:31/mi
2:40:24
↑ 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 Half
Distance13.11 mi
Time1:21:05
Pace6:11 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:19:19
Pace6:03 /mi
📊Negative Split: 2.2% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4619:156:1219:15
6:12
-
10K
6.21 mi10:39:0738:366:1319:21
6:14
+0:02
15K
9.32 mi10:58:1857:476:1219:11
6:10
-0:04
20K
12.43 mi11:17:281:16:576:1219:10
6:10
0:00
Half
13.11 mi11:21:361:21:056:114:08
6:03
-0:07
25K
15.53 mi11:36:341:36:036:1114:58
6:10
+0:07
30K
18.64 mi11:55:351:55:046:1019:01
6:07
-0:03
20M
20.00 mi12:03:522:03:216:108:17
6:06
-0:01
21M
21.00 mi12:10:102:09:396:106:18
6:18
+0:12
35K
21.75 mi12:14:342:14:036:104:24
5:53
-0:25
23M
23.00 mi12:22:012:21:306:097:27
5:57
+0:04
24M
24.00 mi12:27:562:27:256:095:55
5:55
-0:02
40K
24.85 mi12:33:062:32:356:085:10
6:03
+0:08
25.2M
25.20 mi12:35:182:34:476:092:12
6:23
+0:20
Finish
26.22 mi12:40:552:40:246:075:37
5:31
-0:52

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

5:31 /mi

Average Pace

6:07 /mi

Slowest Pace

6:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:41

20% of race

Time at Steady Pace

2:07:43

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:07 /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 mi10:19:4619:156:1219:15
6:12
#1828
10K
6.21 mi10:39:0738:366:1319:21
6:14
#1932
15K
9.32 mi10:58:1857:476:1219:11
6:10
#1841
20K
12.43 mi11:17:281:16:576:1219:10
6:10
#1723
Half
13.11 mi11:21:361:21:056:114:08
6:03
#1696
25K
15.53 mi11:36:341:36:036:1114:58
6:10
#1615
30K
18.64 mi11:55:351:55:046:1019:01
6:07
#1374
20M
20.00 mi12:03:522:03:216:108:17
6:06
#1281
21M
21.00 mi12:10:102:09:396:106:18
6:18
#1194
35K
21.75 mi12:14:342:14:036:104:24
5:53
#1132
23M
23.00 mi12:22:012:21:306:097:27
5:57
#1018
24M
24.00 mi12:27:562:27:256:095:55
5:55
#972
40K
24.85 mi12:33:062:32:356:085:10
6:03
#934
25.2M
25.20 mi12:35:182:34:476:092:12
6:23
#913
Finish
26.22 mi12:40:552:40:246:075:37
5:31
#840
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1828173617361703(Top 6%)1616(Top 10%)1616(Top 29%)
10K6.21 mi3.10 mi1932-1041840-1041840-1042034(Top 7%)1937(Top 12%)1937(Top 34%)
15K9.32 mi3.11 mi1841+911752+881752+881703(Top 6%)1616(Top 10%)1616(Top 29%)
20K12.43 mi3.11 mi1723+1181637+1151637+1151435(Top 5%)1360(Top 8%)1360(Top 24%)
Half13.11 mi0.68 mi1696+271611+261611+261331(Top 5%)1263(Top 8%)1263(Top 22%)
25K15.53 mi2.42 mi1615+811532+791532+791339(Top 5%)1268(Top 8%)1268(Top 22%)
30K18.64 mi3.11 mi1374+2411298+2341298+234729(Top 3%)681(Top 4%)681(Top 12%)
20M20.00 mi1.36 mi1281+931209+891209+89539(Top 2%)506(Top 3%)506(Top 9%)
21M21.00 mi1.00 mi1194+871125+841125+84373(Top 1%)350(Top 2%)350(Top 6%)
35K21.75 mi0.75 mi1132+621067+581067+58509(Top 2%)474(Top 3%)474(Top 8%)
23M23.00 mi1.25 mi1018+114959+108959+108291(Top 1%)271(Top 2%)271(Top 5%)
24M24.00 mi1.00 mi972+46915+44915+44430(Top 2%)401(Top 2%)401(Top 7%)
40K24.85 mi0.85 mi934+38877+38877+38450(Top 2%)418(Top 3%)418(Top 7%)
25.2M25.20 mi0.35 mi913+21856+21856+21319(Top 1%)297(Top 2%)297(Top 5%)
Finish26.22 mi1.02 mi840+73786+70786+70158(Top 0.6%)152(Top 0.9%)152(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1703

Males

1616

M18-39

1616

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

2034

Males

1937

M18-39

1937

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1703

Males

1616

M18-39

1616

15K→20K

9.3 - 12.4 mi

Top 5%
×5story building
+106ft-86ft

Overall

1435

Males

1360

M18-39

1360

20K→Half

12.4 - 13.1 mi

Top 5%
×2story building
+19ft-37ft

Overall

1331

Males

1263

M18-39

1263

Half→25K

13.1 - 15.5 mi

Top 5%
×4story building
+66ft-88ft

Overall

1339

Males

1268

M18-39

1268

25K→30K

15.5 - 18.6 mi

Top 3%
×9story building
+181ft-148ft

Overall

729

Males

681

M18-39

681

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

539

Males

506

M18-39

506

20M→21M

20.0 - 21.0 mi

Top 1%
×8story building
+106ft-24ft

Overall

373

Males

350

M18-39

350

21M→35K

21.0 - 21.8 mi

Top 2%
×7story building
+17ft-86ft

Overall

509

Males

474

M18-39

474

35K→23M

21.8 - 23.0 mi

Top 1%
×5story building
+23ft-63ft

Overall

291

Males

271

M18-39

271

23M→24M

23.0 - 24.0 mi

Top 2%
×6story building
+12ft-82ft

Overall

430

Males

401

M18-39

401

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

450

Males

418

M18-39

418

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

319

Males

297

M18-39

297

25.2M→Finish

25.2 - 26.2 mi

Top 0.6%
×2story building
+22ft-21ft

Overall

158

Males

152

M18-39

152

Passing Analysis

Category:
Athletes Passed
1200
Passed By
212
Net Change
+988
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1828
5K → 10K62166-104#1828#1932
10K → 15K10918+91#1932#1841
15K → 20K12911+118#1841#1723
20K → Half270+27#1723#1696
Half → 25K9110+81#1696#1615
25K → 30K2421+241#1615#1374
30K → 20M952+93#1374#1281
20M → 21M870+87#1281#1194
21M → 35K620+62#1194#1132
35K → 23M1151+114#1132#1018
23M → 24M471+46#1018#972
24M → 40K402+38#972#934
40K → 25.2M210+21#934#913
25.2M → Finish730+73#913#840
TOTALS1200212+988
📊

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