Boston Marathon logo
BOSTON MARATHON 2025

Keith Dubois

Bib: 27369•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 36%
Gender (Male)
#0 / 16105
Top 49%
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
7:37/mi
23:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
46:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:09:16
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:32:16
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:37:12
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:55:10
↑ 66↓ 880.2%
30K· 18.64 mi
7:52/mi
2:19:36
↑ 181↓ 1480.2%
20M
8:02/mi
2:30:31
↑ 64↓ 500.2%
21M
8:21/mi
2:38:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:44:37
↑ 17↓ 861.7%
23M
8:10/mi
2:54:51
↑ 23↓ 630.6%
24M
8:08/mi
3:02:59
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:09:55
↓ 200.3%
25.2M
8:45/mi
3:12:56
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:20:43
↑ 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
Time1:37:12
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:43:31
Pace7:54 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:2723:417:3723:41
7:37
-
10K
6.21 mi12:02:1246:267:2822:45
7:19
-0:18
15K
9.32 mi12:25:021:09:167:2622:50
7:21
+0:02
20K
12.43 mi12:48:021:32:167:2523:00
7:24
+0:03
Half
13.11 mi12:52:581:37:127:254:56
7:14
-0:10
25K
15.53 mi13:10:561:55:107:2517:58
7:25
+0:11
30K
18.64 mi13:35:222:19:367:2924:26
7:52
+0:27
20M
20.00 mi13:46:172:30:317:3210:55
8:02
+0:10
21M
21.00 mi13:54:382:38:527:348:21
8:21
+0:19
35K
21.75 mi14:00:232:44:377:345:45
7:41
-0:40
23M
23.00 mi14:10:372:54:517:3610:14
8:10
+0:29
24M
24.00 mi14:18:453:02:597:378:08
8:08
-0:02
40K
24.85 mi14:25:413:09:557:386:56
8:07
-0:01
25.2M
25.20 mi14:28:423:12:567:393:01
8:45
+0:38
Finish
26.22 mi14:36:293:20:437:407:47
7:38
-1:07

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

7:14 /mi

Average Pace

7:40 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:29

46% of race

Time at Steady Pace

1:01:39

31% of race

Time at Slower Pace

47:35

24% of race

Average Pace: 7:39 /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 mi11:39:2723:417:3723:41
7:37
#13298
10K
6.21 mi12:02:1246:267:2822:45
7:19
#11879
15K
9.32 mi12:25:021:09:167:2622:50
7:21
#11355
20K
12.43 mi12:48:021:32:167:2523:00
7:24
#10968
Half
13.11 mi12:52:581:37:127:254:56
7:14
#10868
25K
15.53 mi13:10:561:55:107:2517:58
7:25
#10568
30K
18.64 mi13:35:222:19:367:2924:26
7:52
#10482
20M
20.00 mi13:46:172:30:317:3210:55
8:02
#10467
21M
21.00 mi13:54:382:38:527:348:21
8:21
#10378
35K
21.75 mi14:00:232:44:377:345:45
7:41
#10360
23M
23.00 mi14:10:372:54:517:3610:14
8:10
#10359
24M
24.00 mi14:18:453:02:597:378:08
8:08
#10429
40K
24.85 mi14:25:413:09:557:386:56
8:07
#10407
25.2M
25.20 mi14:28:423:12:567:393:01
8:45
#10389
Finish
26.22 mi14:36:293:20:437:407:47
7:38
#10352
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi132989765976510394(Top 37%)8291(Top 51%)8291(Top 147%)
10K6.21 mi3.10 mi11879+14199103+6629103+66210520(Top 37%)8420(Top 52%)8420(Top 149%)
15K9.32 mi3.11 mi11355+5248822+2818822+28110394(Top 37%)8291(Top 51%)8291(Top 147%)
20K12.43 mi3.11 mi10968+3878616+2068616+2069924(Top 35%)7974(Top 50%)7974(Top 141%)
Half13.11 mi0.68 mi10868+1008561+558561+559344(Top 33%)7687(Top 48%)7687(Top 136%)
25K15.53 mi2.42 mi10568+3008376+1858376+1859239(Top 33%)7472(Top 46%)7472(Top 132%)
30K18.64 mi3.11 mi10482+868256+1208256+12010378(Top 37%)7876(Top 49%)7876(Top 140%)
20M20.00 mi1.36 mi10467+158207+498207+4910646(Top 37%)7854(Top 49%)7854(Top 139%)
21M21.00 mi1.00 mi10378+898122+858122+859513(Top 33%)7111(Top 44%)7111(Top 126%)
35K21.75 mi0.75 mi10360+188089+338089+339941(Top 35%)7341(Top 46%)7341(Top 130%)
23M23.00 mi1.25 mi10359+18040+498040+4911185(Top 39%)7837(Top 49%)7837(Top 139%)
24M24.00 mi1.00 mi10429-708054-148054-1412109(Top 43%)8215(Top 51%)8215(Top 146%)
40K24.85 mi0.85 mi10407+228009+458009+4510908(Top 38%)7518(Top 47%)7518(Top 133%)
25.2M25.20 mi0.35 mi10389+187978+317978+3110241(Top 36%)7065(Top 44%)7065(Top 125%)
Finish26.22 mi1.02 mi10352+377929+497929+4910204(Top 36%)7090(Top 44%)7090(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10394

Males

8291

M18-39

8291

5K→10K

3.1 - 6.2 mi

Top 37%
×5story building
+79ft-138ft

Overall

10520

Males

8420

M18-39

8420

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10394

Males

8291

M18-39

8291

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9924

Males

7974

M18-39

7974

20K→Half

12.4 - 13.1 mi

Top 33%
×2story building
+19ft-37ft

Overall

9344

Males

7687

M18-39

7687

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9239

Males

7472

M18-39

7472

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10378

Males

7876

M18-39

7876

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

10646

Males

7854

M18-39

7854

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

9513

Males

7111

M18-39

7111

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9941

Males

7341

M18-39

7341

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11185

Males

7837

M18-39

7837

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12109

Males

8215

M18-39

8215

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10908

Males

7518

M18-39

7518

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10241

Males

7065

M18-39

7065

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10204

Males

7090

M18-39

7090

Passing Analysis

Category:
Athletes Passed
3803
Passed By
856
Net Change
+2946
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13298
5K → 10K143213+1419#13298#11879
10K → 15K54824+524#11879#11355
15K → 20K41023+387#11355#10968
20K → Half1055+100#10968#10868
Half → 25K32626+300#10868#10568
25K → 30K261174+86#10568#10482
30K → 20M123108+15#10482#10467
20M → 21M15667+89#10467#10378
21M → 35K6042+18#10378#10360
35K → 23M108107+1#10360#10359
23M → 24M55125-70#10359#10429
24M → 40K8159+22#10429#10407
40K → 25.2M3921+18#10407#10389
25.2M → Finish9962+37#10389#10352
TOTALS3803856+2946
📊

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