All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Laurence Mumford

Bib: 23462•M

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M60-64)
#0 / 1514
Top 44%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
24:20
3.11 mi
Rank: #15669
Start → 5K
24:20 | 7:50/mi
10K
47:59
6.21 mi
Rank: #14814 (+855)
5K → 10K
23:39 | 7:37/mi
15K
1:11:49
9.32 mi
Rank: #14591
10K → 15K
23:50 | 7:41/mi
20K
1:35:58
12.43 mi
Rank: #14487
15K → 20K
24:09 | 7:47/mi
HALF
1:41:12
13.11 mi
Rank: #14498
20K → HALF
5:14 | 7:41/mi
25K
2:00:20
15.53 mi
Rank: #14476
HALF → 25K
19:08 | 7:54/mi
30K
2:26:40
18.64 mi
Rank: #14915
25K → 30K
26:20 | 8:29/mi
20M
2:38:49
20.00 mi
Rank: #15261
30K → 20M
12:09 | 8:57/mi
21M
2:48:54
21.00 mi
Rank: #15705
20M → 21M
10:05 | 10:05/mi
35K
2:56:27
21.75 mi
Rank: #16138
21M → 35K
7:33 | 10:06/mi
23M
3:09:41
23.00 mi
Rank: #16864
35K → 23M
13:14 | 10:35/mi
24M
3:20:11
24.00 mi
Rank: #17375
23M → 24M
10:30 | 10:30/mi
40K
3:29:14
24.85 mi
Rank: #17759
24M → 40K
9:03 | 10:36/mi
25.2M
3:33:25
25.20 mi
Rank: #17971
40K → 25.2M
4:11 | 12:08/mi
FINISH
3:44:09
26.22 mi
Rank: #18447
25.2M → FINISH
10:44 | 10:32/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:12
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time2:02:57
Pace9:23 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2424:207:5024:20
7:50
-
10K
6.21 mi11:51:0347:597:4423:39
7:37
-0:13
15K
9.32 mi12:14:531:11:497:4323:50
7:41
+0:04
20K
12.43 mi12:39:021:35:587:4424:09
7:47
+0:06
HALF
13.11 mi12:44:161:41:127:445:14
7:41
-0:06
25K
15.53 mi13:03:242:00:207:4519:08
7:54
+0:13
30K
18.64 mi13:29:442:26:407:5326:20
8:29
+0:35
20M
20.00 mi13:41:532:38:497:5712:09
8:57
+0:28
21M
21.00 mi13:51:582:48:548:0310:05
10:05
+1:08
35K
21.75 mi13:59:312:56:278:077:33
10:06
+0:01
23M
23.00 mi14:12:453:09:418:1513:14
10:35
+0:29
24M
24.00 mi14:23:153:20:118:2110:30
10:30
-0:05
40K
24.85 mi14:32:183:29:148:269:03
10:36
+0:06
25.2M
25.20 mi14:36:293:33:258:294:11
12:08
+1:32
FINISH
26.22 mi14:47:133:44:098:3410:44
10:32
-1:36

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:37 /mi

Average Pace

8:33 /mi

Slowest Pace

12:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:00:20

54% of race

Time at Steady Pace

38:29

17% of race

Time at Slower Pace

1:05:20

29% of race

Average Pace: 8:33 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:27:2424:207:5024:20
7:50
#15669
10K
6.21 mi11:51:0347:597:4423:39
7:37
#14814
15K
9.32 mi12:14:531:11:497:4323:50
7:41
#14591
20K
12.43 mi12:39:021:35:587:4424:09
7:47
#14487
HALF
13.11 mi12:44:161:41:127:445:14
7:41
#14498
25K
15.53 mi13:03:242:00:207:4519:08
7:54
#14476
30K
18.64 mi13:29:442:26:407:5326:20
8:29
#14915
20M
20.00 mi13:41:532:38:497:5712:09
8:57
#15261
21M
21.00 mi13:51:582:48:548:0310:05
10:05
#15705
35K
21.75 mi13:59:312:56:278:077:33
10:06
#16138
23M
23.00 mi14:12:453:09:418:1513:14
10:35
#16864
24M
24.00 mi14:23:153:20:118:2110:30
10:30
#17375
40K
24.85 mi14:32:183:29:148:269:03
10:36
#17759
25.2M
25.20 mi14:36:293:33:258:294:11
12:08
#17971
FINISH
26.22 mi14:47:133:44:098:3410:44
10:32
#18447
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15669105031050314284(Top 49%)9919(Top 61%)9919(Top 655%)
10K6.21 mi3.10 mi14814+85510162+34110162+34113977(Top 48%)9834(Top 60%)9834(Top 650%)
15K9.32 mi3.11 mi14591+22310049+11310049+11314284(Top 49%)9919(Top 61%)9919(Top 655%)
20K12.43 mi3.11 mi14487+10410003+4610003+4614307(Top 49%)9868(Top 60%)9868(Top 652%)
HALF13.11 mi0.68 mi14498-1110014-1110014-1114541(Top 50%)10050(Top 62%)10050(Top 664%)
25K15.53 mi2.42 mi14476+229971+439971+4314516(Top 50%)9884(Top 60%)9884(Top 653%)
30K18.64 mi3.11 mi14915-43910115-14410115-14416767(Top 58%)10735(Top 66%)10735(Top 709%)
20M20.00 mi1.36 mi15261-34610218-10310218-10318664(Top 64%)11480(Top 70%)11480(Top 758%)
21M21.00 mi1.00 mi15705-44410377-15910377-15920685(Top 71%)12400(Top 76%)12400(Top 819%)
35K21.75 mi0.75 mi16138-43310526-14910526-14923380(Top 81%)13639(Top 83%)13639(Top 901%)
23M23.00 mi1.25 mi16864-72610832-30610832-30623548(Top 81%)13651(Top 84%)13651(Top 902%)
24M24.00 mi1.00 mi17375-51111022-19011022-19024090(Top 83%)13874(Top 85%)13874(Top 916%)
40K24.85 mi0.85 mi17759-38411172-15011172-15023403(Top 81%)13490(Top 83%)13490(Top 891%)
25.2M25.20 mi0.35 mi17971-21211253-8111253-8124655(Top 85%)14080(Top 86%)14080(Top 930%)
FINISH26.22 mi1.02 mi18447-47611453-20011453-20025123(Top 87%)14328(Top 88%)14328(Top 946%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21
+97ft-345ft

Overall

14284

Males

9919

M60-64

9919

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13977

Males

9834

M60-64

9834

10K→15K

6.2 - 9.3 mi

Top 49%
×3
+67ft-78ft

Overall

14284

Males

9919

M60-64

9919

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14307

Males

9868

M60-64

9868

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14541

Males

10050

M60-64

10050

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14516

Males

9884

M60-64

9884

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16767

Males

10735

M60-64

10735

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18664

Males

11480

M60-64

11480

20M→21M

20.0 - 21.0 mi

Top 71%
×8
+106ft-24ft

Overall

20685

Males

12400

M60-64

12400

21M→35K

21.0 - 21.8 mi

Top 81%
×7
+17ft-86ft

Overall

23380

Males

13639

M60-64

13639

35K→23M

21.8 - 23.0 mi

Top 81%
×5
+23ft-63ft

Overall

23548

Males

13651

M60-64

13651

23M→24M

23.0 - 24.0 mi

Top 83%
×6
+12ft-82ft

Overall

24090

Males

13874

M60-64

13874

24M→40K

24.0 - 24.9 mi

Top 81%
×1
+6ft-20ft

Overall

23403

Males

13490

M60-64

13490

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1
+13ft-16ft

Overall

24655

Males

14080

M60-64

14080

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
×2
+22ft-21ft

Overall

25123

Males

14328

M60-64

14328

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Position interactions are being recalculated

Started about 1 hour ago. This usually takes 10-20 minutes. Please check back shortly.

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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