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BOSTON MARATHON 2024

To Choy

Bib: 4938•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 17%
Gender (Male)
#0 / 14578
Top 26%
Masters (Masters Men)
#0 / 9729
Top 15%
Division (M45-49)
#0 / 2218
Top 19%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:12
Rank: #3334
Start → 5K
20:12 | 6:30/mi
10K· 6.21 mi
40:47
Rank: #3516 (-182)
5K → 10K
20:35 | 6:38/mi
15K· 9.32 mi
1:01:52
Rank: #3835 (-319)
10K → 15K
21:05 | 6:47/mi
20K· 12.43 mi
1:23:42
Rank: #4229 (-394)
15K → 20K
21:50 | 7:02/mi
Half· 13.11 mi
1:28:24
Rank: #4257 (-28)
20K → Half
4:42 | 6:53/mi
25K· 15.53 mi
1:45:58
Rank: #4513 (-256)
Half → 25K
17:34 | 7:15/mi
30K· 18.64 mi
2:09:32
Rank: #4724 (-211)
25K → 30K
23:34 | 7:35/mi
20M
2:20:01
Rank: #4689 (+35)
30K → 20M
10:29 | 7:43/mi
21M
2:28:09
Rank: #4628 (+61)
20M → 21M
8:08 | 8:08/mi
35K· 21.75 mi
2:34:02
Rank: #4660 (-32)
21M → 35K
5:53 | 7:52/mi
23M
2:44:00
Rank: #4625 (+35)
35K → 23M
9:58 | 7:58/mi
24M
2:51:34
Rank: #4532 (+93)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
2:58:00
Rank: #4400 (+132)
24M → 40K
6:26 | 7:31/mi
25.2M
3:00:51
Rank: #4355 (+45)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:08:13
Rank: #4275 (+80)
25.2M → Finish
7:22 | 7:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:24
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:39:49
Pace7:37 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4520:126:3020:12
6:30
-
10K
6.21 mi10:43:2040:476:3420:35
6:38
+0:08
15K
9.32 mi11:04:251:01:526:3821:05
6:47
+0:09
20K
12.43 mi11:26:151:23:426:4421:50
7:02
+0:15
Half
13.11 mi11:30:571:28:246:454:42
6:53
-0:09
25K
15.53 mi11:48:311:45:586:4917:34
7:15
+0:22
30K
18.64 mi12:12:052:09:326:5723:34
7:35
+0:20
20M
20.00 mi12:22:342:20:017:0010:29
7:43
+0:08
21M
21.00 mi12:30:422:28:097:038:08
8:08
+0:25
35K
21.75 mi12:36:352:34:027:055:53
7:52
-0:16
23M
23.00 mi12:46:332:44:007:089:58
7:58
+0:06
24M
24.00 mi12:54:072:51:347:097:34
7:34
-0:24
40K
24.85 mi13:00:332:58:007:106:26
7:31
-0:03
25.2M
25.20 mi13:03:243:00:517:112:51
8:16
+0:45
Finish
26.22 mi13:10:463:08:137:117:22
7:14
-1:02

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

6:30 /mi

Average Pace

7:11 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:20

60% of race

Time at Steady Pace

48:03

26% of race

Time at Slower Pace

26:50

14% of race

Average Pace: 7:11 /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 mi10:22:4520:126:3020:12
6:30
#3334
10K
6.21 mi10:43:2040:476:3420:35
6:38
#3516
15K
9.32 mi11:04:251:01:526:3821:05
6:47
#3835
20K
12.43 mi11:26:151:23:426:4421:50
7:02
#4229
Half
13.11 mi11:30:571:28:246:454:42
6:53
#4257
25K
15.53 mi11:48:311:45:586:4917:34
7:15
#4513
30K
18.64 mi12:12:052:09:326:5723:34
7:35
#4724
20M
20.00 mi12:22:342:20:017:0010:29
7:43
#4689
21M
21.00 mi12:30:422:28:097:038:08
8:08
#4628
35K
21.75 mi12:36:352:34:027:055:53
7:52
#4660
23M
23.00 mi12:46:332:44:007:089:58
7:58
#4625
24M
24.00 mi12:54:072:51:347:097:34
7:34
#4532
40K
24.85 mi13:00:332:58:007:106:26
7:31
#4400
25.2M
25.20 mi13:03:243:00:517:112:51
8:16
#4355
Finish
26.22 mi13:10:463:08:137:117:22
7:14
#4275
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi3334317831784602(Top 18%)4282(Top 29%)4282(Top 193%)
10K6.21 mi3.10 mi3516-1823339-1613339-1613787(Top 15%)3573(Top 25%)3573(Top 161%)
15K9.32 mi3.11 mi3835-3193626-2873626-2874602(Top 18%)4282(Top 29%)4282(Top 193%)
20K12.43 mi3.11 mi4229-3943962-3363962-3365394(Top 21%)4879(Top 33%)4879(Top 220%)
Half13.11 mi0.68 mi4257-283988-263988-265076(Top 20%)4619(Top 32%)4619(Top 208%)
25K15.53 mi2.42 mi4513-2564197-2094197-2095539(Top 22%)4866(Top 33%)4866(Top 219%)
30K18.64 mi3.11 mi4724-2114337-1404337-1405531(Top 22%)4695(Top 32%)4695(Top 212%)
20M20.00 mi1.36 mi4689+354295+424295+425259(Top 21%)4403(Top 30%)4403(Top 199%)
21M21.00 mi1.00 mi4628+614230+654230+654653(Top 18%)3878(Top 27%)3878(Top 175%)
35K21.75 mi0.75 mi4660-324239-94239-96907(Top 27%)5168(Top 35%)5168(Top 233%)
23M23.00 mi1.25 mi4625+354184+554184+555531(Top 22%)4273(Top 29%)4273(Top 193%)
24M24.00 mi1.00 mi4532+934083+1014083+1014390(Top 17%)3546(Top 24%)3546(Top 160%)
40K24.85 mi0.85 mi4400+1323951+1323951+1323601(Top 14%)2956(Top 20%)2956(Top 133%)
25.2M25.20 mi0.35 mi4355+453910+413910+413581(Top 14%)2912(Top 20%)2912(Top 131%)
Finish26.22 mi1.02 mi4275+803823+873823+874137(Top 16%)3292(Top 23%)3292(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

4602

Males

4282

M45-49

4282

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3787

Males

3573

M45-49

3573

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

4602

Males

4282

M45-49

4282

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5394

Males

4879

M45-49

4879

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5076

Males

4619

M45-49

4619

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5539

Males

4866

M45-49

4866

25K→30K

15.5 - 18.6 mi

Top 22%
×9stories
+181ft-148ft

Overall

5531

Males

4695

M45-49

4695

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5259

Males

4403

M45-49

4403

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4653

Males

3878

M45-49

3878

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

6907

Males

5168

M45-49

5168

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5531

Males

4273

M45-49

4273

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4390

Males

3546

M45-49

3546

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3601

Males

2956

M45-49

2956

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3581

Males

2912

M45-49

2912

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4137

Males

3292

M45-49

3292

Passing Analysis

Category:
Athletes Passed
1181
Passed By
2122
Net Change
-941
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3334
5K → 10K67249-182#3334#3516
10K → 15K35354-319#3516#3835
15K → 20K66460-394#3835#4229
20K → Half2048-28#4229#4257
Half → 25K84340-256#4257#4513
25K → 30K138349-211#4513#4724
30K → 20M10873+35#4724#4689
20M → 21M10847+61#4689#4628
21M → 35K4375-32#4628#4660
35K → 23M10267+35#4660#4625
23M → 24M11219+93#4625#4532
24M → 40K14715+132#4532#4400
40K → 25.2M505+45#4400#4355
25.2M → Finish10121+80#4355#4275
TOTALS11812122-941
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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