Boston Marathon logo
BOSTON MARATHON 2024

Brent Chuma

Bib: 29624•M

MA

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 14%
Gender (Male)
#0 / 14578
Top 23%
Division (M18-39)
#0 / 4849
Top 45%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:36
Rank: #4242
Start → 5K
20:36 | 6:38/mi
10K· 6.21 mi
41:51
Rank: #4838 (-596)
5K → 10K
21:15 | 6:50/mi
15K· 9.32 mi
1:03:25
Rank: #5215 (-377)
10K → 15K
21:34 | 6:56/mi
20K· 12.43 mi
1:24:52
Rank: #4998 (+217)
15K → 20K
21:27 | 6:54/mi
Half· 13.11 mi
1:29:36
Rank: #5033 (-35)
20K → Half
4:44 | 6:56/mi
25K· 15.53 mi
1:47:08
Rank: #5078 (-45)
Half → 25K
17:32 | 7:14/mi
30K· 18.64 mi
2:09:39
Rank: #4763 (+315)
25K → 30K
22:31 | 7:15/mi
20M
2:20:09
Rank: #4731 (+32)
30K → 20M
10:30 | 7:44/mi
21M
2:27:50
Rank: #4544 (+187)
20M → 21M
7:41 | 7:41/mi
35K· 21.75 mi
2:32:54
Rank: #4367 (+177)
21M → 35K
5:04 | 6:46/mi
23M
2:41:56
Rank: #4124 (+243)
35K → 23M
9:02 | 7:13/mi
24M
2:48:59
Rank: #3957 (+167)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:55:04
Rank: #3822 (+135)
24M → 40K
6:05 | 7:07/mi
25.2M
2:57:42
Rank: #3744 (+78)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:04:29
Rank: #3602 (+142)
25.2M → Finish
6:47 | 6:39/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
Time1:29:36
Pace6:50 /mi
2nd Half
Distance13.11 mi
Time1:34:53
Pace7:14 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:4220:366:3820:36
6:38
-
10K
6.21 mi11:36:5741:516:4421:15
6:50
+0:12
15K
9.32 mi11:58:311:03:256:4821:34
6:56
+0:06
20K
12.43 mi12:19:581:24:526:5021:27
6:54
-0:02
Half
13.11 mi12:24:421:29:366:504:44
6:56
+0:02
25K
15.53 mi12:42:141:47:086:5417:32
7:14
+0:18
30K
18.64 mi13:04:452:09:396:5722:31
7:15
+0:01
20M
20.00 mi13:15:152:20:097:0010:30
7:44
+0:29
21M
21.00 mi13:22:562:27:507:027:41
7:41
-0:03
35K
21.75 mi13:28:002:32:547:025:04
6:46
-0:55
23M
23.00 mi13:37:022:41:567:029:02
7:13
+0:27
24M
24.00 mi13:44:052:48:597:027:03
7:03
-0:10
40K
24.85 mi13:50:102:55:047:036:05
7:07
+0:04
25.2M
25.20 mi13:52:482:57:427:032:38
7:38
+0:31
Finish
26.22 mi13:59:353:04:297:026:47
6:39
-0:59

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

6:38 /mi

Average Pace

7:02 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:40

89% of race

Time at Steady Pace

20:49

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:02 /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 mi11:15:4220:366:3820:36
6:38
#4242
10K
6.21 mi11:36:5741:516:4421:15
6:50
#4838
15K
9.32 mi11:58:311:03:256:4821:34
6:56
#5215
20K
12.43 mi12:19:581:24:526:5021:27
6:54
#4998
Half
13.11 mi12:24:421:29:366:504:44
6:56
#5033
25K
15.53 mi12:42:141:47:086:5417:32
7:14
#5078
30K
18.64 mi13:04:452:09:396:5722:31
7:15
#4763
20M
20.00 mi13:15:152:20:097:0010:30
7:44
#4731
21M
21.00 mi13:22:562:27:507:027:41
7:41
#4544
35K
21.75 mi13:28:002:32:547:025:04
6:46
#4367
23M
23.00 mi13:37:022:41:567:029:02
7:13
#4124
24M
24.00 mi13:44:052:48:597:027:03
7:03
#3957
40K
24.85 mi13:50:102:55:047:036:05
7:07
#3822
25.2M
25.20 mi13:52:482:57:427:032:38
7:38
#3744
Finish
26.22 mi13:59:353:04:297:026:47
6:39
#3602
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4242399839985851(Top 23%)5274(Top 36%)5274(Top 109%)
10K6.21 mi3.10 mi4838-5964498-5004498-5005517(Top 22%)5047(Top 35%)5047(Top 104%)
15K9.32 mi3.11 mi5215-3774815-3174815-3175851(Top 23%)5274(Top 36%)5274(Top 109%)
20K12.43 mi3.11 mi4998+2174624+1914624+1914647(Top 18%)4274(Top 29%)4274(Top 88%)
Half13.11 mi0.68 mi5033-354653-294653-295334(Top 21%)4818(Top 33%)4818(Top 99%)
25K15.53 mi2.42 mi5078-45465346535457(Top 21%)4813(Top 33%)4813(Top 99%)
30K18.64 mi3.11 mi4763+3154373+2804373+2803977(Top 16%)3600(Top 25%)3600(Top 74%)
20M20.00 mi1.36 mi4731+324327+464327+465315(Top 21%)4442(Top 30%)4442(Top 92%)
21M21.00 mi1.00 mi4544+1874162+1654162+1653092(Top 12%)2774(Top 19%)2774(Top 57%)
35K21.75 mi0.75 mi4367+1774002+1604002+1602206(Top 9%)2037(Top 14%)2037(Top 42%)
23M23.00 mi1.25 mi4124+2433775+2273775+2272635(Top 10%)2367(Top 16%)2367(Top 49%)
24M24.00 mi1.00 mi3957+1673625+1503625+1502501(Top 10%)2225(Top 15%)2225(Top 46%)
40K24.85 mi0.85 mi3822+1353503+1223503+1222238(Top 9%)1986(Top 14%)1986(Top 41%)
25.2M25.20 mi0.35 mi3744+783431+723431+721781(Top 7%)1597(Top 11%)1597(Top 33%)
Finish26.22 mi1.02 mi3602+1423298+1333298+1331863(Top 7%)1643(Top 11%)1643(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21stories
+97ft-345ft

Overall

5851

Males

5274

M18-39

5274

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5517

Males

5047

M18-39

5047

10K→15K

6.2 - 9.3 mi

Top 23%
×3stories
+67ft-78ft

Overall

5851

Males

5274

M18-39

5274

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4647

Males

4274

M18-39

4274

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5334

Males

4818

M18-39

4818

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5457

Males

4813

M18-39

4813

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

3977

Males

3600

M18-39

3600

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5315

Males

4442

M18-39

4442

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3092

Males

2774

M18-39

2774

21M→35K

21.0 - 21.8 mi

Top 9%
×7stories
+17ft-86ft

Overall

2206

Males

2037

M18-39

2037

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2635

Males

2367

M18-39

2367

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2501

Males

2225

M18-39

2225

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2238

Males

1986

M18-39

1986

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1781

Males

1597

M18-39

1597

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1863

Males

1643

M18-39

1643

Passing Analysis

Category:
Athletes Passed
2179
Passed By
1539
Net Change
+640
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4242
5K → 10K42638-596#4242#4838
10K → 15K65442-377#4838#5215
15K → 20K28063+217#5215#4998
20K → Half2459-35#4998#5033
Half → 25K155200-45#5033#5078
25K → 30K35742+315#5078#4763
30K → 20M10472+32#4763#4731
20M → 21M19710+187#4731#4544
21M → 35K1770+177#4544#4367
35K → 23M2463+243#4367#4124
23M → 24M1703+167#4124#3957
24M → 40K1383+135#3957#3822
40K → 25.2M791+78#3822#3744
25.2M → Finish1453+142#3744#3602
TOTALS21791539+640
📊

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