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BOSTON MARATHON 2024

Chi Man Lo

Bib: 11382•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
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
7:11/mi
22:18
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
45:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:08:29
↑ 67↓ 78
20K· 12.43 mi
7:57/mi
1:33:11
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:38:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:55/mi
2:00:20
↑ 66↓ 880.2%
30K· 18.64 mi
10:20/mi
2:32:26
↑ 181↓ 1480.2%
20M
10:59/mi
2:47:21
↑ 64↓ 500.2%
21M
12:24/mi
2:59:45
↑ 106↓ 241.6%
35K· 21.75 mi
9:57/mi
3:07:12
↑ 17↓ 861.7%
23M
10:32/mi
3:20:23
↑ 23↓ 630.6%
24M
10:01/mi
3:30:24
↓ 821.3%
40K· 24.85 mi
10:20/mi
3:39:14
↓ 200.3%
25.2M
13:09/mi
3:43:46
↑ 13↓ 160.2%
Finish· 26.22 mi
10:31/mi
3:54:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:42
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time2:15:47
Pace10:21 /mi
📊Positive Split: 37.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2822:187:1122:18
7:11
-
10K
6.21 mi11:13:1845:087:1622:50
7:21
+0:10
15K
9.32 mi11:36:391:08:297:2123:21
7:31
+0:10
20K
12.43 mi12:01:211:33:117:3024:42
7:57
+0:26
Half
13.11 mi12:06:521:38:427:325:31
8:05
+0:08
25K
15.53 mi12:28:302:00:207:4521:38
8:55
+0:50
30K
18.64 mi13:00:362:32:268:1132:06
10:20
+1:25
20M
20.00 mi13:15:312:47:218:2214:55
10:59
+0:39
21M
21.00 mi13:27:552:59:458:3412:24
12:24
+1:25
35K
21.75 mi13:35:223:07:128:367:27
9:57
-2:27
23M
23.00 mi13:48:333:20:238:4313:11
10:32
+0:35
24M
24.00 mi13:58:343:30:248:4610:01
10:01
-0:31
40K
24.85 mi14:07:243:39:148:498:50
10:20
+0:19
25.2M
25.20 mi14:11:563:43:468:534:32
13:09
+2:49
Finish
26.22 mi14:22:393:54:298:5710:43
10:31
-2:38

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

7:11 /mi

Average Pace

8:57 /mi

Slowest Pace

13:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:20

51% of race

Time at Steady Pace

1:22:18

35% of race

Time at Slower Pace

31:51

14% of race

Average Pace: 8:57 /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 mi10:50:2822:187:1122:18
7:11
#8251
10K
6.21 mi11:13:1845:087:1622:50
7:21
#8625
15K
9.32 mi11:36:391:08:297:2123:21
7:31
#8961
20K
12.43 mi12:01:211:33:117:3024:42
7:57
#9618
Half
13.11 mi12:06:521:38:427:325:31
8:05
#9805
25K
15.53 mi12:28:302:00:207:4521:38
8:55
#10905
30K
18.64 mi13:00:362:32:268:1132:06
10:20
#12819
20M
20.00 mi13:15:312:47:218:2214:55
10:59
#13570
21M
21.00 mi13:27:552:59:458:3412:24
12:24
#14199
35K
21.75 mi13:35:223:07:128:367:27
9:57
#14340
23M
23.00 mi13:48:333:20:238:4313:11
10:32
#14614
24M
24.00 mi13:58:343:30:248:4610:01
10:01
#14692
40K
24.85 mi14:07:243:39:148:498:50
10:20
#14765
25.2M
25.20 mi14:11:563:43:468:534:32
13:09
#14923
Finish
26.22 mi14:22:393:54:298:5710:43
10:31
#15195
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8251696269629803(Top 38%)7706(Top 53%)7706(Top 398%)
10K6.21 mi3.10 mi8625-3747148-1867148-1869053(Top 35%)7367(Top 51%)7367(Top 381%)
15K9.32 mi3.11 mi8961-3367325-1777325-1779803(Top 38%)7706(Top 53%)7706(Top 398%)
20K12.43 mi3.11 mi9618-6577646-3217646-32111484(Top 45%)8405(Top 58%)8405(Top 434%)
Half13.11 mi0.68 mi9805-1877725-797725-7913285(Top 52%)9195(Top 63%)9195(Top 475%)
25K15.53 mi2.42 mi10905-11008198-4738198-47315155(Top 59%)9864(Top 68%)9864(Top 510%)
30K18.64 mi3.11 mi12819-19148994-7968994-79618326(Top 72%)11073(Top 76%)11073(Top 572%)
20M20.00 mi1.36 mi13570-7519242-2489242-24819226(Top 75%)11363(Top 78%)11363(Top 587%)
21M21.00 mi1.00 mi14199-6299460-2189460-21819638(Top 77%)11449(Top 79%)11449(Top 592%)
35K21.75 mi0.75 mi14340-1419495-359495-3516990(Top 66%)10101(Top 69%)10101(Top 522%)
23M23.00 mi1.25 mi14614-2749535-409535-4017116(Top 67%)10115(Top 69%)10115(Top 523%)
24M24.00 mi1.00 mi14692-789525+109525+1016379(Top 64%)9706(Top 67%)9706(Top 502%)
40K24.85 mi0.85 mi14765-739533-89533-816130(Top 63%)9528(Top 65%)9528(Top 492%)
25.2M25.20 mi0.35 mi14923-1589592-599592-5919958(Top 78%)11413(Top 78%)11413(Top 590%)
Finish26.22 mi1.02 mi15195-2729690-989690-9820046(Top 78%)11500(Top 79%)11500(Top 594%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

9803

Males

7706

M50-54

7706

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9053

Males

7367

M50-54

7367

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

9803

Males

7706

M50-54

7706

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11484

Males

8405

M50-54

8405

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13285

Males

9195

M50-54

9195

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15155

Males

9864

M50-54

9864

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

18326

Males

11073

M50-54

11073

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19226

Males

11363

M50-54

11363

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

19638

Males

11449

M50-54

11449

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

16990

Males

10101

M50-54

10101

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17116

Males

10115

M50-54

10115

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

16379

Males

9706

M50-54

9706

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16130

Males

9528

M50-54

9528

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

19958

Males

11413

M50-54

11413

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2story building
+22ft-21ft

Overall

20046

Males

11500

M50-54

11500

Passing Analysis

Category:
Athletes Passed
729
Passed By
7671
Net Change
-6944
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8251
5K → 10K115489-374#8251#8625
10K → 15K100436-336#8625#8961
15K → 20K70727-657#8961#9618
20K → Half6193-187#9618#9805
Half → 25K491147-1100#9805#10905
25K → 30K211935-1914#10905#12819
30K → 20M33784-751#12819#13570
20M → 21M34663-629#13570#14199
21M → 35K47188-141#14199#14340
35K → 23M72346-274#14340#14614
23M → 24M73151-78#14614#14692
24M → 40K67140-73#14692#14765
40K → 25.2M16174-158#14765#14923
25.2M → Finish26298-272#14923#15195
TOTALS7297671-6944
📊

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