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BOSTON MARATHON 2024

Justin Darrow

Bib: 3858•M

WI

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 24%
Gender (Male)
#0 / 14578
Top 36%
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
6:58/mi
21:39
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
43:23
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:06:01
↑ 67↓ 78
20K· 12.43 mi
7:19/mi
1:28:46
↑ 106↓ 860.1%
Half· 13.11 mi
6:59/mi
1:33:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:38/mi
1:52:02
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:15:51
↑ 181↓ 1480.2%
20M
7:53/mi
2:26:34
↑ 64↓ 500.2%
21M
8:31/mi
2:35:05
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:40:56
↑ 17↓ 861.7%
23M
8:13/mi
2:51:13
↑ 23↓ 630.6%
24M
7:42/mi
2:58:55
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:06:04
↓ 200.3%
25.2M
9:52/mi
3:09:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:36/mi
3:17:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:32
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:43:41
Pace7:55 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4421:396:5821:39
6:58
-
10K
6.21 mi10:46:2843:236:5921:44
7:00
+0:02
15K
9.32 mi11:09:061:06:017:0522:38
7:17
+0:17
20K
12.43 mi11:31:511:28:467:0922:45
7:19
+0:02
Half
13.11 mi11:36:371:33:327:084:46
6:59
-0:20
25K
15.53 mi11:55:071:52:027:1318:30
7:38
+0:39
30K
18.64 mi12:18:562:15:517:1723:49
7:40
+0:02
20M
20.00 mi12:29:392:26:347:2010:43
7:53
+0:13
21M
21.00 mi12:38:102:35:057:238:31
8:31
+0:38
35K
21.75 mi12:44:012:40:567:245:51
7:49
-0:42
23M
23.00 mi12:54:182:51:137:2710:17
8:13
+0:24
24M
24.00 mi13:02:002:58:557:277:42
7:42
-0:31
40K
24.85 mi13:09:093:06:047:297:09
8:22
+0:40
25.2M
25.20 mi13:12:333:09:287:313:24
9:52
+1:30
Finish
26.22 mi13:20:183:17:137:327:45
7:36
-2:16

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

6:58 /mi

Average Pace

7:32 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:47

36% of race

Time at Steady Pace

1:37:05

49% of race

Time at Slower Pace

29:21

15% of race

Average Pace: 7:31 /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 mi10:24:4421:396:5821:39
6:58
#6855
10K
6.21 mi10:46:2843:236:5921:44
7:00
#6720
15K
9.32 mi11:09:061:06:017:0522:38
7:17
#7127
20K
12.43 mi11:31:511:28:467:0922:45
7:19
#7050
Half
13.11 mi11:36:371:33:327:084:46
6:59
#6960
25K
15.53 mi11:55:071:52:027:1318:30
7:38
#7019
30K
18.64 mi12:18:562:15:517:1723:49
7:40
#6730
20M
20.00 mi12:29:392:26:347:2010:43
7:53
#6609
21M
21.00 mi12:38:102:35:057:238:31
8:31
#6473
35K
21.75 mi12:44:012:40:567:245:51
7:49
#6426
23M
23.00 mi12:54:182:51:137:2710:17
8:13
#6349
24M
24.00 mi13:02:002:58:557:277:42
7:42
#6208
40K
24.85 mi13:09:093:06:047:297:09
8:22
#6213
25.2M
25.20 mi13:12:333:09:287:313:24
9:52
#6249
Finish
26.22 mi13:20:183:17:137:327:45
7:36
#6197
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6855606560658046(Top 31%)6744(Top 46%)6744(Top 139%)
10K6.21 mi3.10 mi6720+1355949+1165949+1166625(Top 26%)5856(Top 40%)5856(Top 121%)
15K9.32 mi3.11 mi7127-4076207-2586207-2588046(Top 31%)6744(Top 46%)6744(Top 139%)
20K12.43 mi3.11 mi7050+776121+866121+867121(Top 28%)6062(Top 42%)6062(Top 125%)
Half13.11 mi0.68 mi6960+906062+596062+595672(Top 22%)5093(Top 35%)5093(Top 105%)
25K15.53 mi2.42 mi7019-596068-66068-67803(Top 31%)6300(Top 43%)6300(Top 130%)
30K18.64 mi3.11 mi6730+2895812+2565812+2565943(Top 23%)4977(Top 34%)4977(Top 103%)
20M20.00 mi1.36 mi6609+1215683+1295683+1296130(Top 24%)4929(Top 34%)4929(Top 102%)
21M21.00 mi1.00 mi6473+1365557+1265557+1266281(Top 25%)4848(Top 33%)4848(Top 100%)
35K21.75 mi0.75 mi6426+475501+565501+566662(Top 26%)5048(Top 35%)5048(Top 104%)
23M23.00 mi1.25 mi6349+775408+935408+936855(Top 27%)5004(Top 34%)5004(Top 103%)
24M24.00 mi1.00 mi6208+1415277+1315277+1315020(Top 20%)3911(Top 27%)3911(Top 81%)
40K24.85 mi0.85 mi6213-55240+375240+377625(Top 30%)5170(Top 35%)5170(Top 107%)
25.2M25.20 mi0.35 mi6249-365253-135253-1310272(Top 40%)6475(Top 44%)6475(Top 134%)
Finish26.22 mi1.02 mi6197+525177+765177+766171(Top 24%)4424(Top 30%)4424(Top 91%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8046

Males

6744

M18-39

6744

5K→10K

3.1 - 6.2 mi

Top 26%
×5story building
+79ft-138ft

Overall

6625

Males

5856

M18-39

5856

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8046

Males

6744

M18-39

6744

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7121

Males

6062

M18-39

6062

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5672

Males

5093

M18-39

5093

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

7803

Males

6300

M18-39

6300

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

5943

Males

4977

M18-39

4977

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6130

Males

4929

M18-39

4929

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6281

Males

4848

M18-39

4848

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6662

Males

5048

M18-39

5048

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

6855

Males

5004

M18-39

5004

23M→24M

23.0 - 24.0 mi

Top 20%
×6story building
+12ft-82ft

Overall

5020

Males

3911

M18-39

3911

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7625

Males

5170

M18-39

5170

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10272

Males

6475

M18-39

6475

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2story building
+22ft-21ft

Overall

6171

Males

4424

M18-39

4424

Passing Analysis

Category:
Athletes Passed
2083
Passed By
1425
Net Change
+658
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6855
5K → 10K263128+135#6855#6720
10K → 15K55462-407#6720#7127
15K → 20K199122+77#7127#7050
20K → Half922+90#7050#6960
Half → 25K164223-59#6960#7019
25K → 30K36576+289#7019#6730
30K → 20M19170+121#6730#6609
20M → 21M17034+136#6609#6473
21M → 35K9043+47#6473#6426
35K → 23M14871+77#6426#6349
23M → 24M15211+141#6349#6208
24M → 40K7378-5#6208#6213
40K → 25.2M2258-36#6213#6249
25.2M → Finish9947+52#6249#6197
TOTALS20831425+658
📊

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