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BOSTON MARATHON 2024

Martin Chang

Bib: 26613•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
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
10:10/mi
31:35
↑ 97↓ 3451.5%
10K· 6.21 mi
10:29/mi
1:04:09
↑ 79↓ 1380.4%
15K· 9.32 mi
10:32/mi
1:36:52
↑ 67↓ 78
20K· 12.43 mi
11:20/mi
2:12:05
↑ 106↓ 860.1%
Half· 13.11 mi
11:41/mi
2:20:03
↑ 19↓ 370.5%
25K· 15.53 mi
12:51/mi
2:51:13
↑ 66↓ 880.2%
30K· 18.64 mi
12:00/mi
3:28:29
↑ 181↓ 1480.2%
20M
12:28/mi
3:45:25
↑ 64↓ 500.2%
21M
14:51/mi
4:00:16
↑ 106↓ 241.6%
35K· 21.75 mi
13:38/mi
4:10:28
↑ 17↓ 861.7%
23M
12:06/mi
4:25:37
↑ 23↓ 630.6%
24M
12:01/mi
4:37:38
↓ 821.3%
40K· 24.85 mi
12:27/mi
4:48:17
↓ 200.3%
25.2M
13:03/mi
4:52:47
↑ 13↓ 160.2%
Finish· 26.22 mi
10:15/mi
5:03:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:03
Pace10:41 /mi
2nd Half
Distance13.11 mi
Time2:43:11
Pace12:27 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2531:3510:1031:35
10:10
-
10K
6.21 mi12:21:591:04:0910:1932:34
10:29
+0:19
15K
9.32 mi12:54:421:36:5210:2432:43
10:32
+0:03
20K
12.43 mi13:29:552:12:0510:3835:13
11:20
+0:48
Half
13.11 mi13:37:532:20:0310:417:58
11:41
+0:21
25K
15.53 mi14:09:032:51:1311:0131:10
12:51
+1:10
30K
18.64 mi14:46:193:28:2911:1137:16
12:00
-0:51
20M
20.00 mi15:03:153:45:2511:1616:56
12:28
+0:28
21M
21.00 mi15:18:064:00:1611:2614:51
14:51
+2:23
35K
21.75 mi15:28:184:10:2811:3110:12
13:38
-1:13
23M
23.00 mi15:43:274:25:3711:3315:09
12:06
-1:32
24M
24.00 mi15:55:284:37:3811:3412:01
12:01
-0:05
40K
24.85 mi16:06:074:48:1711:3610:39
12:27
+0:26
25.2M
25.20 mi16:10:374:52:4711:374:30
13:03
+0:36
Finish
26.22 mi16:21:045:03:1411:3410:27
10:15
-2:48

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

10:10 /mi

Average Pace

11:34 /mi

Slowest Pace

14:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:22:32

47% of race

Time at Steady Pace

1:39:59

33% of race

Time at Slower Pace

1:00:43

20% of race

Average Pace: 11:34 /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 mi11:49:2531:3510:1031:35
10:10
#23359
10K
6.21 mi12:21:591:04:0910:1932:34
10:29
#23427
15K
9.32 mi12:54:421:36:5210:2432:43
10:32
#23291
20K
12.43 mi13:29:552:12:0510:3835:13
11:20
#23279
Half
13.11 mi13:37:532:20:0310:417:58
11:41
#23377
25K
15.53 mi14:09:032:51:1311:0131:10
12:51
#23590
30K
18.64 mi14:46:193:28:2911:1137:16
12:00
#23303
20M
20.00 mi15:03:153:45:2511:1616:56
12:28
#23213
21M
21.00 mi15:18:064:00:1611:2614:51
14:51
#23224
35K
21.75 mi15:28:184:10:2811:3110:12
13:38
#23248
23M
23.00 mi15:43:274:25:3711:3315:09
12:06
#23149
24M
24.00 mi15:55:284:37:3811:3412:01
12:01
#23104
40K
24.85 mi16:06:074:48:1711:3610:39
12:27
#23075
25.2M
25.20 mi16:10:374:52:4711:374:30
13:03
#23043
Finish
26.22 mi16:21:045:03:1411:3410:27
10:15
#22967
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi23359137321373222986(Top 90%)13518(Top 93%)13518(Top 884%)
10K6.21 mi3.10 mi23427-6813746-1413746-1423489(Top 92%)13764(Top 94%)13764(Top 900%)
15K9.32 mi3.11 mi23291+13613681+6513681+6522986(Top 90%)13518(Top 93%)13518(Top 884%)
20K12.43 mi3.11 mi23279+1213650+3113650+3123172(Top 91%)13580(Top 93%)13580(Top 888%)
Half13.11 mi0.68 mi23377-9813687-3713687-3724285(Top 95%)14031(Top 96%)14031(Top 918%)
25K15.53 mi2.42 mi23590-21313771-8413771-8424076(Top 94%)13907(Top 95%)13907(Top 910%)
30K18.64 mi3.11 mi23303+28713596+17513596+17521924(Top 86%)12761(Top 88%)12761(Top 835%)
20M20.00 mi1.36 mi23213+9013528+6813528+6822102(Top 87%)12756(Top 88%)12756(Top 834%)
21M21.00 mi1.00 mi23224-1113522+613522+623375(Top 91%)13356(Top 92%)13356(Top 874%)
35K21.75 mi0.75 mi23248-2413535-1313535-1323954(Top 94%)13626(Top 93%)13626(Top 891%)
23M23.00 mi1.25 mi23149+9913462+7313462+7320939(Top 82%)12042(Top 83%)12042(Top 788%)
24M24.00 mi1.00 mi23104+4513429+3313429+3321471(Top 84%)12260(Top 84%)12260(Top 802%)
40K24.85 mi0.85 mi23075+2913404+2513404+2521305(Top 83%)12130(Top 83%)12130(Top 793%)
25.2M25.20 mi0.35 mi23043+3213393+1113393+1119806(Top 78%)11352(Top 78%)11352(Top 742%)
Finish26.22 mi1.02 mi22967+7613346+4713346+4719254(Top 75%)11113(Top 76%)11113(Top 727%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

22986

Males

13518

M55-59

13518

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

23489

Males

13764

M55-59

13764

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

22986

Males

13518

M55-59

13518

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

23172

Males

13580

M55-59

13580

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

24285

Males

14031

M55-59

14031

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

24076

Males

13907

M55-59

13907

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

21924

Males

12761

M55-59

12761

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

22102

Males

12756

M55-59

12756

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

23375

Males

13356

M55-59

13356

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

23954

Males

13626

M55-59

13626

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

20939

Males

12042

M55-59

12042

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

21471

Males

12260

M55-59

12260

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21305

Males

12130

M55-59

12130

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

19806

Males

11352

M55-59

11352

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19254

Males

11113

M55-59

11113

Passing Analysis

Category:
Athletes Passed
1423
Passed By
1031
Net Change
+392
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23359
5K → 10K173241-68#23359#23427
10K → 15K20973+136#23427#23291
15K → 20K170158+12#23291#23279
20K → Half6104-98#23279#23377
Half → 25K51264-213#23377#23590
25K → 30K30821+287#23590#23303
30K → 20M11323+90#23303#23213
20M → 21M4556-11#23213#23224
21M → 35K2044-24#23224#23248
35K → 23M1067+99#23248#23149
23M → 24M5914+45#23149#23104
24M → 40K4516+29#23104#23075
40K → 25.2M364+32#23075#23043
25.2M → Finish826+76#23043#22967
TOTALS14231031+392
📊

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