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BOSTON MARATHON 2024

Tiecheng Dai

Bib: 20690•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M60-64)
#0 / 1173
Top 35%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:12
Rank: #12997
Start → 5K
24:12 | 7:47/mi
10K· 6.21 mi
48:05
Rank: #12390 (+607)
5K → 10K
23:53 | 7:41/mi
15K· 9.32 mi
1:12:14
Rank: #12116 (+274)
10K → 15K
24:09 | 7:46/mi
20K· 12.43 mi
1:37:34
Rank: #12269 (-153)
15K → 20K
25:20 | 8:09/mi
Half· 13.11 mi
1:43:08
Rank: #12349 (-80)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:03:42
Rank: #12436 (-87)
Half → 25K
20:34 | 8:29/mi
30K· 18.64 mi
2:31:54
Rank: #12650 (-214)
25K → 30K
28:12 | 9:05/mi
20M
2:44:38
Rank: #12705 (-55)
30K → 20M
12:44 | 9:22/mi
21M
2:55:24
Rank: #12907 (-202)
20M → 21M
10:46 | 10:46/mi
35K· 21.75 mi
3:02:22
Rank: #12968 (-61)
21M → 35K
6:58 | 9:19/mi
23M
3:15:00
Rank: #13205 (-237)
35K → 23M
12:38 | 10:05/mi
24M
3:26:20
Rank: #13719 (-514)
23M → 24M
11:20 | 11:20/mi
40K· 24.85 mi
3:37:06
Rank: #14311 (-592)
24M → 40K
10:46 | 12:36/mi
25.2M
3:42:11
Rank: #14568 (-257)
40K → 25.2M
5:05 | 14:44/mi
Finish· 26.22 mi
3:52:16
Rank: #14731 (-163)
25.2M → Finish
10:05 | 9:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:08
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time2:09:08
Pace9:51 /mi
📊Positive Split: 25.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4424:127:4724:12
7:47
-
10K
6.21 mi11:41:3748:057:4423:53
7:41
-0:06
15K
9.32 mi12:05:461:12:147:4524:09
7:46
+0:05
20K
12.43 mi12:31:061:37:347:5125:20
8:09
+0:23
Half
13.11 mi12:36:401:43:087:525:34
8:10
+0:01
25K
15.53 mi12:57:142:03:427:5820:34
8:29
+0:19
30K
18.64 mi13:25:262:31:548:0928:12
9:05
+0:36
20M
20.00 mi13:38:102:44:388:1412:44
9:22
+0:17
21M
21.00 mi13:48:562:55:248:2110:46
10:46
+1:24
35K
21.75 mi13:55:543:02:228:236:58
9:19
-1:27
23M
23.00 mi14:08:323:15:008:2912:38
10:05
+0:46
24M
24.00 mi14:19:523:26:208:3611:20
11:20
+1:15
40K
24.85 mi14:30:383:37:068:4410:46
12:36
+1:16
25.2M
25.20 mi14:35:433:42:118:495:05
14:44
+2:08
Finish
26.22 mi14:45:483:52:168:5210:05
9:54
-4:50

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

7:41 /mi

Average Pace

8:52 /mi

Slowest Pace

14:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:08

44% of race

Time at Steady Pace

1:31:11

39% of race

Time at Slower Pace

37:57

16% of race

Average Pace: 8:52 /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 mi11:17:4424:127:4724:12
7:47
#12997
10K
6.21 mi11:41:3748:057:4423:53
7:41
#12390
15K
9.32 mi12:05:461:12:147:4524:09
7:46
#12116
20K
12.43 mi12:31:061:37:347:5125:20
8:09
#12269
Half
13.11 mi12:36:401:43:087:525:34
8:10
#12349
25K
15.53 mi12:57:142:03:427:5820:34
8:29
#12436
30K
18.64 mi13:25:262:31:548:0928:12
9:05
#12650
20M
20.00 mi13:38:102:44:388:1412:44
9:22
#12705
21M
21.00 mi13:48:562:55:248:2110:46
10:46
#12907
35K
21.75 mi13:55:543:02:228:236:58
9:19
#12968
23M
23.00 mi14:08:323:15:008:2912:38
10:05
#13205
24M
24.00 mi14:19:523:26:208:3611:20
11:20
#13719
40K
24.85 mi14:30:383:37:068:4410:46
12:36
#14311
25.2M
25.20 mi14:35:433:42:118:495:05
14:44
#14568
Finish
26.22 mi14:45:483:52:168:5210:05
9:54
#14731
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi129979242924211714(Top 46%)8613(Top 59%)8613(Top 734%)
10K6.21 mi3.10 mi12390+6078970+2728970+27211763(Top 46%)8673(Top 59%)8673(Top 739%)
15K9.32 mi3.11 mi12116+2748824+1468824+14611714(Top 46%)8613(Top 59%)8613(Top 734%)
20K12.43 mi3.11 mi12269-1538873-498873-4912853(Top 50%)9061(Top 62%)9061(Top 772%)
Half13.11 mi0.68 mi12349-808907-348907-3413751(Top 54%)9388(Top 64%)9388(Top 800%)
25K15.53 mi2.42 mi12436-878911-48911-412955(Top 51%)8909(Top 61%)8909(Top 760%)
30K18.64 mi3.11 mi12650-2148918-78918-713598(Top 53%)8951(Top 61%)8951(Top 763%)
20M20.00 mi1.36 mi12705-558876+428876+4213943(Top 55%)8820(Top 61%)8820(Top 752%)
21M21.00 mi1.00 mi12907-2028903-278903-2715665(Top 61%)9486(Top 65%)9486(Top 809%)
35K21.75 mi0.75 mi12968-618887+168887+1614747(Top 58%)8997(Top 62%)8997(Top 767%)
23M23.00 mi1.25 mi13205-2378927-408927-4015761(Top 62%)9443(Top 65%)9443(Top 805%)
24M24.00 mi1.00 mi13719-5149120-1939120-19320050(Top 78%)11537(Top 79%)11537(Top 984%)
40K24.85 mi0.85 mi14311-5929334-2149334-21421564(Top 84%)12257(Top 84%)12257(Top 1045%)
25.2M25.20 mi0.35 mi14568-2579430-969430-9622667(Top 89%)12832(Top 88%)12832(Top 1094%)
Finish26.22 mi1.02 mi14731-1639475-459475-4518028(Top 71%)10472(Top 72%)10472(Top 893%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

11714

Males

8613

M60-64

8613

5K→10K

3.1 - 6.2 mi

Top 46%
×5stories
+79ft-138ft

Overall

11763

Males

8673

M60-64

8673

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

11714

Males

8613

M60-64

8613

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

12853

Males

9061

M60-64

9061

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

13751

Males

9388

M60-64

9388

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

12955

Males

8909

M60-64

8909

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

13598

Males

8951

M60-64

8951

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

13943

Males

8820

M60-64

8820

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

15665

Males

9486

M60-64

9486

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

14747

Males

8997

M60-64

8997

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

15761

Males

9443

M60-64

9443

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20050

Males

11537

M60-64

11537

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

21564

Males

12257

M60-64

12257

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22667

Males

12832

M60-64

12832

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18028

Males

10472

M60-64

10472

Passing Analysis

Category:
Athletes Passed
2133
Passed By
3867
Net Change
-1734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12997
5K → 10K69184+607#12997#12390
10K → 15K36389+274#12390#12116
15K → 20K191344-153#12116#12269
20K → Half21101-80#12269#12349
Half → 25K220307-87#12349#12436
25K → 30K229443-214#12436#12650
30K → 20M115170-55#12650#12705
20M → 21M73275-202#12705#12907
21M → 35K67128-61#12907#12968
35K → 23M76313-237#12968#13205
23M → 24M27541-514#13205#13719
24M → 40K17609-592#13719#14311
40K → 25.2M6263-257#14311#14568
25.2M → Finish37200-163#14568#14731
TOTALS21333867-1734
📊

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