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BOSTON MARATHON 2024

Harrison Chuma

Bib: 30270•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 47%
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered 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
8:13/mi
25:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
49:54
↑ 79↓ 1380.4%
15K· 9.32 mi
8:05/mi
1:15:00
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:39:30
↑ 106↓ 860.1%
Half· 13.11 mi
7:53/mi
1:44:53
↑ 19↓ 370.5%
25K· 15.53 mi
8:11/mi
2:04:43
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:30:54
↑ 181↓ 1480.2%
20M
8:37/mi
2:42:36
↑ 64↓ 500.2%
21M
8:41/mi
2:51:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
2:57:21
↑ 17↓ 861.7%
23M
8:50/mi
3:08:24
↑ 23↓ 630.6%
24M
9:03/mi
3:17:27
↓ 821.3%
40K· 24.85 mi
9:27/mi
3:25:32
↓ 200.3%
25.2M
10:26/mi
3:29:08
↑ 13↓ 160.2%
Finish· 26.22 mi
10:27/mi
3:39:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:53
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:54:54
Pace8:46 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:4025:318:1325:31
8:13
-
10K
6.21 mi12:10:0349:548:0224:23
7:51
-0:22
15K
9.32 mi12:35:091:15:008:0325:06
8:05
+0:14
20K
12.43 mi12:59:391:39:308:0024:30
7:53
-0:12
Half
13.11 mi13:05:021:44:538:005:23
7:53
0:00
25K
15.53 mi13:24:522:04:438:0219:50
8:11
+0:18
30K
18.64 mi13:51:032:30:548:0626:11
8:26
+0:15
20M
20.00 mi14:02:452:42:368:0811:42
8:37
+0:11
21M
21.00 mi14:11:262:51:178:098:41
8:41
+0:04
35K
21.75 mi14:17:302:57:218:096:04
8:07
-0:34
23M
23.00 mi14:28:333:08:248:1111:03
8:50
+0:43
24M
24.00 mi14:37:363:17:278:149:03
9:03
+0:13
40K
24.85 mi14:45:413:25:328:168:05
9:27
+0:24
25.2M
25.20 mi14:49:173:29:088:183:36
10:26
+0:59
Finish
26.22 mi14:59:563:39:478:2310:39
10:27
+0:01

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

7:51 /mi

Average Pace

8:23 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:16

25% of race

Time at Steady Pace

2:14:08

61% of race

Time at Slower Pace

31:23

14% of race

Average Pace: 8:23 /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 mi11:45:4025:318:1325:31
8:13
#16086
10K
6.21 mi12:10:0349:548:0224:23
7:51
#14632
15K
9.32 mi12:35:091:15:008:0325:06
8:05
#14356
20K
12.43 mi12:59:391:39:308:0024:30
7:53
#13478
Half
13.11 mi13:05:021:44:538:005:23
7:53
#13380
25K
15.53 mi13:24:522:04:438:0219:50
8:11
#12919
30K
18.64 mi13:51:032:30:548:0626:11
8:26
#12319
20M
20.00 mi14:02:452:42:368:0811:42
8:37
#12095
21M
21.00 mi14:11:262:51:178:098:41
8:41
#11707
35K
21.75 mi14:17:302:57:218:096:04
8:07
#11536
23M
23.00 mi14:28:333:08:248:1111:03
8:50
#11395
24M
24.00 mi14:37:363:17:278:149:03
9:03
#11422
40K
24.85 mi14:45:413:25:328:168:05
9:27
#11453
25.2M
25.20 mi14:49:173:29:088:183:36
10:26
#11463
Finish
26.22 mi14:59:563:39:478:2310:39
10:27
#11937
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16086104361043613951(Top 55%)9588(Top 66%)9588(Top 198%)
10K6.21 mi3.10 mi14632+14549884+5529884+55213038(Top 51%)9218(Top 63%)9218(Top 190%)
15K9.32 mi3.11 mi14356+2769775+1099775+10913951(Top 55%)9588(Top 66%)9588(Top 198%)
20K12.43 mi3.11 mi13478+8789397+3789397+37811022(Top 43%)8175(Top 56%)8175(Top 169%)
Half13.11 mi0.68 mi13380+989336+619336+6111929(Top 47%)8609(Top 59%)8609(Top 178%)
25K15.53 mi2.42 mi12919+4619124+2129124+21211235(Top 44%)8120(Top 56%)8120(Top 167%)
30K18.64 mi3.11 mi12319+6008761+3638761+36310270(Top 40%)7415(Top 51%)7415(Top 153%)
20M20.00 mi1.36 mi12095+2248609+1528609+15210042(Top 39%)7046(Top 48%)7046(Top 145%)
21M21.00 mi1.00 mi11707+3888372+2378372+2377074(Top 28%)5324(Top 37%)5324(Top 110%)
35K21.75 mi0.75 mi11536+1718260+1128260+1128458(Top 33%)6005(Top 41%)6005(Top 124%)
23M23.00 mi1.25 mi11395+1418123+1378123+13710244(Top 40%)6703(Top 46%)6703(Top 138%)
24M24.00 mi1.00 mi11422-278077+468077+4612404(Top 49%)7760(Top 53%)7760(Top 160%)
40K24.85 mi0.85 mi11453-318057+208057+2012909(Top 51%)7880(Top 54%)7880(Top 163%)
25.2M25.20 mi0.35 mi11463-108047+108047+1012571(Top 49%)7648(Top 52%)7648(Top 158%)
Finish26.22 mi1.02 mi11937-4748220-1738220-17319850(Top 78%)11402(Top 78%)11402(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

13951

Males

9588

M18-39

9588

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13038

Males

9218

M18-39

9218

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

13951

Males

9588

M18-39

9588

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11022

Males

8175

M18-39

8175

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

11929

Males

8609

M18-39

8609

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11235

Males

8120

M18-39

8120

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10270

Males

7415

M18-39

7415

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10042

Males

7046

M18-39

7046

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7074

Males

5324

M18-39

5324

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8458

Males

6005

M18-39

6005

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

10244

Males

6703

M18-39

6703

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

12404

Males

7760

M18-39

7760

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

12909

Males

7880

M18-39

7880

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12571

Males

7648

M18-39

7648

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

19850

Males

11402

M18-39

11402

Passing Analysis

Category:
Athletes Passed
5257
Passed By
1108
Net Change
+4149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16086
5K → 10K147016+1454#16086#14632
10K → 15K393117+276#14632#14356
15K → 20K8824+878#14356#13478
20K → Half1046+98#13478#13380
Half → 25K50039+461#13380#12919
25K → 30K63636+600#12919#12319
30K → 20M25127+224#12319#12095
20M → 21M3957+388#12095#11707
21M → 35K1787+171#11707#11536
35K → 23M20766+141#11536#11395
23M → 24M99126-27#11395#11422
24M → 40K76107-31#11422#11453
40K → 25.2M3848-10#11453#11463
25.2M → Finish28502-474#11463#11937
TOTALS52571108+4149
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing