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BOSTON MARATHON 2024

Carlos Chiu

Bib: 21619•M

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M65-69)
#0 / 617
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
8:44/mi
27:07
↑ 97↓ 3451.5%
10K· 6.21 mi
9:23/mi
56:17
↑ 79↓ 1380.4%
15K· 9.32 mi
10:29/mi
1:28:52
↑ 67↓ 78
20K· 12.43 mi
12:28/mi
2:07:36
↑ 106↓ 860.1%
Half· 13.11 mi
9:55/mi
2:14:22
↑ 19↓ 370.5%
25K· 15.53 mi
11:46/mi
2:42:54
↑ 66↓ 880.2%
30K· 18.64 mi
13:41/mi
3:25:26
↑ 181↓ 1480.2%
20M
11:59/mi
3:41:43
↑ 64↓ 500.2%
21M
14:42/mi
3:56:25
↑ 106↓ 241.6%
35K· 21.75 mi
14:19/mi
4:07:08
↑ 17↓ 861.7%
23M
14:47/mi
4:25:38
↑ 23↓ 630.6%
24M
11:02/mi
4:36:40
↓ 821.3%
40K· 24.85 mi
12:24/mi
4:47:16
↓ 200.3%
25.2M
12:37/mi
4:51:37
↑ 13↓ 160.2%
Finish· 26.22 mi
9:35/mi
5:01:23
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:22
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time2:47:01
Pace12:44 /mi
📊Positive Split: 24.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:2927:078:4427:07
8:44
-
10K
6.21 mi11:52:3956:179:0329:10
9:23
+0:39
15K
9.32 mi12:25:141:28:529:3232:35
10:29
+1:06
20K
12.43 mi13:03:582:07:3610:1638:44
12:28
+1:59
Half
13.11 mi13:10:442:14:2210:156:46
9:55
-2:33
25K
15.53 mi13:39:162:42:5410:2928:32
11:46
+1:51
30K
18.64 mi14:21:483:25:2611:0142:32
13:41
+1:55
20M
20.00 mi14:38:053:41:4311:0516:17
11:59
-1:42
21M
21.00 mi14:52:473:56:2511:1514:42
14:42
+2:43
35K
21.75 mi15:03:304:07:0811:2210:43
14:19
-0:23
23M
23.00 mi15:22:004:25:3811:3318:30
14:47
+0:28
24M
24.00 mi15:33:024:36:4011:3211:02
11:02
-3:45
40K
24.85 mi15:43:384:47:1611:3310:36
12:24
+1:22
25.2M
25.20 mi15:47:594:51:3711:344:21
12:37
+0:13
Finish
26.22 mi15:57:455:01:2311:309:46
9:35
-3:02

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

8:44 /mi

Average Pace

11:30 /mi

Slowest Pace

14:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:24

35% of race

Time at Steady Pace

1:49:32

36% of race

Time at Slower Pace

1:26:27

29% of race

Average Pace: 11:30 /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 mi11:23:2927:078:4427:07
8:44
#18963
10K
6.21 mi11:52:3956:179:0329:10
9:23
#20125
15K
9.32 mi12:25:141:28:529:3232:35
10:29
#21327
20K
12.43 mi13:03:582:07:3610:1638:44
12:28
#22564
Half
13.11 mi13:10:442:14:2210:156:46
9:55
#22503
25K
15.53 mi13:39:162:42:5410:2928:32
11:46
#22579
30K
18.64 mi14:21:483:25:2611:0142:32
13:41
#23018
20M
20.00 mi14:38:053:41:4311:0516:17
11:59
#22889
21M
21.00 mi14:52:473:56:2511:1514:42
14:42
#22937
35K
21.75 mi15:03:304:07:0811:2210:43
14:19
#23026
23M
23.00 mi15:22:004:25:3811:3318:30
14:47
#23152
24M
24.00 mi15:33:024:36:4011:3211:02
11:02
#23057
40K
24.85 mi15:43:384:47:1611:3310:36
12:24
#23018
25.2M
25.20 mi15:47:594:51:3711:344:21
12:37
#22976
Finish
26.22 mi15:57:455:01:2311:309:46
9:35
#22856
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18963116001160022897(Top 90%)13479(Top 92%)13479(Top 2185%)
10K6.21 mi3.10 mi20125-116212158-55812158-55821051(Top 82%)12613(Top 87%)12613(Top 2044%)
15K9.32 mi3.11 mi21327-120212740-58212740-58222897(Top 90%)13479(Top 92%)13479(Top 2185%)
20K12.43 mi3.11 mi22564-123713333-59313333-59324449(Top 96%)14135(Top 97%)14135(Top 2291%)
Half13.11 mi0.68 mi22503+6113294+3913294+3921265(Top 83%)12678(Top 87%)12678(Top 2055%)
25K15.53 mi2.42 mi22579-7613326-3213326-3222797(Top 89%)13313(Top 91%)13313(Top 2158%)
30K18.64 mi3.11 mi23018-43913465-13913465-13923963(Top 94%)13768(Top 94%)13768(Top 2231%)
20M20.00 mi1.36 mi22889+12913384+8113384+8121330(Top 83%)12368(Top 85%)12368(Top 2005%)
21M21.00 mi1.00 mi22937-48133841338423217(Top 91%)13276(Top 91%)13276(Top 2152%)
35K21.75 mi0.75 mi23026-8913418-3413418-3424520(Top 96%)13938(Top 96%)13938(Top 2259%)
23M23.00 mi1.25 mi23152-12613465-4713465-4724485(Top 96%)13916(Top 95%)13916(Top 2255%)
24M24.00 mi1.00 mi23057+9513410+5513410+5519316(Top 76%)11170(Top 77%)11170(Top 1810%)
40K24.85 mi0.85 mi23018+3913381+2913381+2921209(Top 83%)12081(Top 83%)12081(Top 1958%)
25.2M25.20 mi0.35 mi22976+4213357+2413357+2418796(Top 74%)10859(Top 74%)10859(Top 1760%)
Finish26.22 mi1.02 mi22856+12013296+6113296+6116871(Top 66%)9890(Top 68%)9890(Top 1603%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

22897

Males

13479

M65-69

13479

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21051

Males

12613

M65-69

12613

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

22897

Males

13479

M65-69

13479

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

24449

Males

14135

M65-69

14135

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

21265

Males

12678

M65-69

12678

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

22797

Males

13313

M65-69

13313

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

23963

Males

13768

M65-69

13768

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

21330

Males

12368

M65-69

12368

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

23217

Males

13276

M65-69

13276

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

24520

Males

13938

M65-69

13938

35K→23M

21.8 - 23.0 mi

Top 96%
×5story building
+23ft-63ft

Overall

24485

Males

13916

M65-69

13916

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

19316

Males

11170

M65-69

11170

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21209

Males

12081

M65-69

12081

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

18796

Males

10859

M65-69

10859

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2story building
+22ft-21ft

Overall

16871

Males

9890

M65-69

9890

Passing Analysis

Category:
Athletes Passed
820
Passed By
4713
Net Change
-3893
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18963
5K → 10K471209-1162#18963#20125
10K → 15K221224-1202#20125#21327
15K → 20K131250-1237#21327#22564
20K → Half665+61#22564#22503
Half → 25K90166-76#22503#22579
25K → 30K51490-439#22579#23018
30K → 20M13910+129#23018#22889
20M → 21M3886-48#22889#22937
21M → 35K17106-89#22937#23026
35K → 23M21147-126#23026#23152
23M → 24M994+95#23152#23057
24M → 40K4910+39#23057#23018
40K → 25.2M475+42#23018#22976
25.2M → Finish1211+120#22976#22856
TOTALS8204713-3893
📊

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