Boston Marathon logo
BOSTON MARATHON 2024

James Bosher

Bib: 786•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 18%
Gender (Male)
#0 / 14578
Top 29%
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:41
Rank: #2298
Start → 5K
19:41 | 6:20/mi
10K· 6.21 mi
40:18
Rank: #3062 (-764)
5K → 10K
20:37 | 6:38/mi
15K· 9.32 mi
1:01:07
Rank: #3321 (-259)
10K → 15K
20:49 | 6:42/mi
20K· 12.43 mi
1:22:16
Rank: #3402 (-81)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:26:55
Rank: #3451 (-49)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:43:47
Rank: #3517 (-66)
Half → 25K
16:52 | 6:57/mi
30K· 18.64 mi
2:06:18
Rank: #3541 (-24)
25K → 30K
22:31 | 7:15/mi
20M
2:16:33
Rank: #3599 (-58)
30K → 20M
10:15 | 7:33/mi
21M
2:25:09
Rank: #3791 (-192)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:30:47
Rank: #3825 (-34)
21M → 35K
5:38 | 7:32/mi
23M
2:41:09
Rank: #3963 (-138)
35K → 23M
10:22 | 8:17/mi
24M
2:49:15
Rank: #4026 (-63)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
2:57:32
Rank: #4310 (-284)
24M → 40K
8:17 | 9:41/mi
25.2M
3:01:31
Rank: #4483 (-173)
40K → 25.2M
3:59 | 11:33/mi
Finish· 26.22 mi
3:10:25
Rank: #4705 (-222)
25.2M → Finish
8:54 | 8:44/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
Time1:26:55
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:43:30
Pace7:54 /mi
📊Positive Split: 19.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4519:416:2019:41
6:20
-
10K
6.21 mi10:40:2240:186:2920:37
6:38
+0:18
15K
9.32 mi11:01:111:01:076:3320:49
6:42
+0:04
20K
12.43 mi11:22:201:22:166:3721:09
6:48
+0:06
Half
13.11 mi11:26:591:26:556:384:39
6:49
+0:01
25K
15.53 mi11:43:511:43:476:4116:52
6:57
+0:08
30K
18.64 mi12:06:222:06:186:4722:31
7:15
+0:18
20M
20.00 mi12:16:372:16:336:5010:15
7:33
+0:18
21M
21.00 mi12:25:132:25:096:558:36
8:36
+1:03
35K
21.75 mi12:30:512:30:476:565:38
7:32
-1:04
23M
23.00 mi12:41:132:41:097:0010:22
8:17
+0:45
24M
24.00 mi12:49:192:49:157:038:06
8:06
-0:11
40K
24.85 mi12:57:362:57:327:098:17
9:41
+1:35
25.2M
25.20 mi13:01:353:01:317:123:59
11:33
+1:52
Finish
26.22 mi13:10:293:10:257:168:54
8:44
-2:49

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

6:20 /mi

Average Pace

7:16 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:55

46% of race

Time at Steady Pace

1:03:22

33% of race

Time at Slower Pace

40:08

21% of race

Average Pace: 7:16 /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 mi10:19:4519:416:2019:41
6:20
#2298
10K
6.21 mi10:40:2240:186:2920:37
6:38
#3062
15K
9.32 mi11:01:111:01:076:3320:49
6:42
#3321
20K
12.43 mi11:22:201:22:166:3721:09
6:48
#3402
Half
13.11 mi11:26:591:26:556:384:39
6:49
#3451
25K
15.53 mi11:43:511:43:476:4116:52
6:57
#3517
30K
18.64 mi12:06:222:06:186:4722:31
7:15
#3541
20M
20.00 mi12:16:372:16:336:5010:15
7:33
#3599
21M
21.00 mi12:25:132:25:096:558:36
8:36
#3791
35K
21.75 mi12:30:512:30:476:565:38
7:32
#3825
23M
23.00 mi12:41:132:41:097:0010:22
8:17
#3963
24M
24.00 mi12:49:192:49:157:038:06
8:06
#4026
40K
24.85 mi12:57:362:57:327:098:17
9:41
#4310
25.2M
25.20 mi13:01:353:01:317:123:59
11:33
#4483
Finish
26.22 mi13:10:293:10:257:168:54
8:44
#4705
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2298221922193937(Top 15%)3707(Top 25%)3707(Top 76%)
10K6.21 mi3.10 mi3062-7642923-7042923-7043867(Top 15%)3644(Top 25%)3644(Top 75%)
15K9.32 mi3.11 mi3321-2593160-2373160-2373937(Top 15%)3707(Top 25%)3707(Top 76%)
20K12.43 mi3.11 mi3402-813235-753235-753916(Top 15%)3669(Top 25%)3669(Top 76%)
Half13.11 mi0.68 mi3451-493281-463281-464623(Top 18%)4261(Top 29%)4261(Top 88%)
25K15.53 mi2.42 mi3517-663334-533334-534128(Top 16%)3802(Top 26%)3802(Top 78%)
30K18.64 mi3.11 mi3541-243333+13333+13986(Top 16%)3609(Top 25%)3609(Top 74%)
20M20.00 mi1.36 mi3599-583374-413374-414492(Top 18%)3900(Top 27%)3900(Top 80%)
21M21.00 mi1.00 mi3791-1923531-1573531-1576670(Top 26%)5081(Top 35%)5081(Top 105%)
35K21.75 mi0.75 mi3825-343550-193550-195175(Top 20%)4200(Top 29%)4200(Top 87%)
23M23.00 mi1.25 mi3963-1383647-973647-977191(Top 28%)5170(Top 35%)5170(Top 107%)
24M24.00 mi1.00 mi4026-633676-293676-297152(Top 28%)5057(Top 35%)5057(Top 104%)
40K24.85 mi0.85 mi4310-2843884-2083884-20813813(Top 54%)8336(Top 57%)8336(Top 172%)
25.2M25.20 mi0.35 mi4483-1734001-1174001-11716119(Top 63%)9473(Top 65%)9473(Top 195%)
Finish26.22 mi1.02 mi4705-2224157-1564157-15612782(Top 50%)7884(Top 54%)7884(Top 163%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

3937

Males

3707

M18-39

3707

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3867

Males

3644

M18-39

3644

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

3937

Males

3707

M18-39

3707

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3916

Males

3669

M18-39

3669

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4623

Males

4261

M18-39

4261

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4128

Males

3802

M18-39

3802

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

3986

Males

3609

M18-39

3609

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4492

Males

3900

M18-39

3900

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6670

Males

5081

M18-39

5081

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5175

Males

4200

M18-39

4200

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7191

Males

5170

M18-39

5170

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7152

Males

5057

M18-39

5057

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

13813

Males

8336

M18-39

8336

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16119

Males

9473

M18-39

9473

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

12782

Males

7884

M18-39

7884

Passing Analysis

Category:
Athletes Passed
725
Passed By
3132
Net Change
-2407
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2298
5K → 10K15779-764#2298#3062
10K → 15K42301-259#3062#3321
15K → 20K87168-81#3321#3402
20K → Half1160-49#3402#3451
Half → 25K107173-66#3451#3517
25K → 30K177201-24#3517#3541
30K → 20M74132-58#3541#3599
20M → 21M37229-192#3599#3791
21M → 35K4377-34#3791#3825
35K → 23M53191-138#3825#3963
23M → 24M44107-63#3963#4026
24M → 40K9293-284#4026#4310
40K → 25.2M8181-173#4310#4483
25.2M → Finish18240-222#4483#4705
TOTALS7253132-2407
📊

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