Boston Marathon logo
BOSTON MARATHON 2025

David Gilmore

Bib: 2749•M

WI

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 10%
Gender (Male)
#0 / 16105
Top 16%
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
21:00
Rank: #5968
Start → 5K
21:00 | 6:46/mi
10K· 6.21 mi
41:38
Rank: #5352 (+616)
5K → 10K
20:38 | 6:38/mi
15K· 9.32 mi
1:02:06
Rank: #4887 (+465)
10K → 15K
20:28 | 6:35/mi
20K· 12.43 mi
1:22:30
Rank: #4458 (+429)
15K → 20K
20:24 | 6:34/mi
Half· 13.11 mi
1:26:57
Rank: #4426 (+32)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:42:54
Rank: #4168 (+258)
Half → 25K
15:57 | 6:35/mi
30K· 18.64 mi
2:03:03
Rank: #3656 (+512)
25K → 30K
20:09 | 6:29/mi
20M
2:12:05
Rank: #3513 (+143)
30K → 20M
9:02 | 6:39/mi
21M
2:18:43
Rank: #3265 (+248)
20M → 21M
6:38 | 6:39/mi
35K· 21.75 mi
2:23:26
Rank: #3177 (+88)
21M → 35K
4:43 | 6:18/mi
23M
2:31:20
Rank: #2935 (+242)
35K → 23M
7:54 | 6:19/mi
24M
2:37:44
Rank: #2836 (+99)
23M → 24M
6:24 | 6:24/mi
40K· 24.85 mi
2:43:24
Rank: #2775 (+61)
24M → 40K
5:40 | 6:38/mi
25.2M
2:45:58
Rank: #2763 (+12)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
2:52:56
Rank: #2806 (-43)
25.2M → Finish
6:58 | 6:50/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 Half
Distance13.11 mi
Time1:26:57
Pace6:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:25:59
Pace6:34 /mi
📊Negative Split: 1.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5721:006:4621:00
6:46
-
10K
6.21 mi10:43:3541:386:4220:38
6:38
-0:08
15K
9.32 mi11:04:031:02:066:4020:28
6:35
-0:03
20K
12.43 mi11:24:271:22:306:3820:24
6:34
-0:01
Half
13.11 mi11:28:541:26:576:384:27
6:31
-0:03
25K
15.53 mi11:44:511:42:546:3715:57
6:35
+0:04
30K
18.64 mi12:05:002:03:036:3620:09
6:29
-0:06
20M
20.00 mi12:14:022:12:056:369:02
6:39
+0:10
21M
21.00 mi12:20:402:18:436:366:38
6:39
0:00
35K
21.75 mi12:25:232:23:266:364:43
6:18
-0:21
23M
23.00 mi12:33:172:31:206:357:54
6:19
+0:01
24M
24.00 mi12:39:412:37:446:346:24
6:24
+0:05
40K
24.85 mi12:45:212:43:246:345:40
6:38
+0:14
25.2M
25.20 mi12:47:552:45:586:352:34
7:27
+0:49
Finish
26.22 mi12:54:532:52:566:366:58
6:50
-0:37

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

6:18 /mi

Average Pace

6:36 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:22

99% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:34

1% 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 mi10:22:5721:006:4621:00
6:46
#5968
10K
6.21 mi10:43:3541:386:4220:38
6:38
#5352
15K
9.32 mi11:04:031:02:066:4020:28
6:35
#4887
20K
12.43 mi11:24:271:22:306:3820:24
6:34
#4458
Half
13.11 mi11:28:541:26:576:384:27
6:31
#4426
25K
15.53 mi11:44:511:42:546:3715:57
6:35
#4168
30K
18.64 mi12:05:002:03:036:3620:09
6:29
#3656
20M
20.00 mi12:14:022:12:056:369:02
6:39
#3513
21M
21.00 mi12:20:402:18:436:366:38
6:39
#3265
35K
21.75 mi12:25:232:23:266:364:43
6:18
#3177
23M
23.00 mi12:33:172:31:206:357:54
6:19
#2935
24M
24.00 mi12:39:412:37:446:346:24
6:24
#2836
40K
24.85 mi12:45:212:43:246:345:40
6:38
#2775
25.2M
25.20 mi12:47:552:45:586:352:34
7:27
#2763
Finish
26.22 mi12:54:532:52:566:366:58
6:50
#2806
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5968548754874111(Top 14%)3866(Top 24%)3866(Top 69%)
10K6.21 mi3.10 mi5352+6164960+5274960+5274775(Top 17%)4465(Top 28%)4465(Top 79%)
15K9.32 mi3.11 mi4887+4654564+3964564+3964111(Top 14%)3866(Top 24%)3866(Top 69%)
20K12.43 mi3.11 mi4458+4294179+3854179+3853499(Top 12%)3311(Top 21%)3311(Top 59%)
Half13.11 mi0.68 mi4426+324153+264153+263750(Top 13%)3530(Top 22%)3530(Top 63%)
25K15.53 mi2.42 mi4168+2583916+2373916+2373310(Top 12%)3129(Top 19%)3129(Top 55%)
30K18.64 mi3.11 mi3656+5123451+4653451+4651912(Top 7%)1821(Top 11%)1821(Top 32%)
20M20.00 mi1.36 mi3513+1433317+1343317+1342194(Top 8%)2073(Top 13%)2073(Top 37%)
21M21.00 mi1.00 mi3265+2483087+2303087+2301030(Top 4%)973(Top 6%)973(Top 17%)
35K21.75 mi0.75 mi3177+883006+813006+811631(Top 6%)1531(Top 10%)1531(Top 27%)
23M23.00 mi1.25 mi2935+2422777+2292777+229911(Top 3%)858(Top 5%)858(Top 15%)
24M24.00 mi1.00 mi2836+992685+922685+921655(Top 6%)1542(Top 10%)1542(Top 27%)
40K24.85 mi0.85 mi2775+612629+562629+562062(Top 7%)1900(Top 12%)1900(Top 34%)
25.2M25.20 mi0.35 mi2763+122616+132616+133094(Top 11%)2735(Top 17%)2735(Top 48%)
Finish26.22 mi1.02 mi2806-432654-382654-384678(Top 16%)3902(Top 24%)3902(Top 69%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4111

Males

3866

M18-39

3866

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4775

Males

4465

M18-39

4465

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4111

Males

3866

M18-39

3866

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3499

Males

3311

M18-39

3311

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3750

Males

3530

M18-39

3530

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

3310

Males

3129

M18-39

3129

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

1912

Males

1821

M18-39

1821

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2194

Males

2073

M18-39

2073

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1030

Males

973

M18-39

973

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1631

Males

1531

M18-39

1531

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

911

Males

858

M18-39

858

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1655

Males

1542

M18-39

1542

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2062

Males

1900

M18-39

1900

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3094

Males

2735

M18-39

2735

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4678

Males

3902

M18-39

3902

Passing Analysis

Category:
Athletes Passed
3316
Passed By
154
Net Change
+3162
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5968
5K → 10K64125+616#5968#5352
10K → 15K47813+465#5352#4887
15K → 20K4356+429#4887#4458
20K → Half375+32#4458#4426
Half → 25K2613+258#4426#4168
25K → 30K5120+512#4168#3656
30K → 20M1485+143#3656#3513
20M → 21M2480+248#3513#3265
21M → 35K902+88#3265#3177
35K → 23M2420+242#3177#2935
23M → 24M1056+99#2935#2836
24M → 40K7312+61#2836#2775
40K → 25.2M2412+12#2775#2763
25.2M → Finish2265-43#2763#2806
TOTALS3316154+3162
📊

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