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BOSTON MARATHON 2024

Songming Syu

Bib: 890•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 2%
Gender (Male)
#0 / 14578
Top 3%
Masters (Masters Men)
#0 / 9729
Top 0.6%
Division (M45-49)
#0 / 2218
Top 0.5%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:42
Rank: #973
Start → 5K
18:42 | 6:01/mi
10K· 6.21 mi
37:20
Rank: #904 (+69)
5K → 10K
18:38 | 6:00/mi
15K· 9.32 mi
55:48
Rank: #808 (+96)
10K → 15K
18:28 | 5:57/mi
20K· 12.43 mi
1:14:23
Rank: #726 (+82)
15K → 20K
18:35 | 5:59/mi
Half· 13.11 mi
1:18:26
Rank: #717 (+9)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:33:23
Rank: #712 (+5)
Half → 25K
14:57 | 6:10/mi
30K· 18.64 mi
1:52:34
Rank: #620 (+92)
25K → 30K
19:11 | 6:10/mi
20M
2:01:08
Rank: #587 (+33)
30K → 20M
8:34 | 6:18/mi
21M
2:07:49
Rank: #563 (+24)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:12:19
Rank: #542 (+21)
21M → 35K
4:30 | 6:01/mi
23M
2:20:18
Rank: #519 (+23)
35K → 23M
7:59 | 6:23/mi
24M
2:26:27
Rank: #493 (+26)
23M → 24M
6:09 | 6:09/mi
40K· 24.85 mi
2:31:51
Rank: #476 (+17)
24M → 40K
5:24 | 6:19/mi
25.2M
2:34:20
Rank: #478 (-2)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:40:40
Rank: #480 (-2)
25.2M → Finish
6:20 | 6:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:26
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:22:14
Pace6:16 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:0018:426:0118:42
6:01
-
10K
6.21 mi10:37:3837:206:0018:38
6:00
-0:01
15K
9.32 mi10:56:0655:485:5918:28
5:57
-0:03
20K
12.43 mi11:14:411:14:235:5918:35
5:59
+0:02
Half
13.11 mi11:18:441:18:265:594:03
5:56
-0:03
25K
15.53 mi11:33:411:33:236:0114:57
6:10
+0:14
30K
18.64 mi11:52:521:52:346:0219:11
6:10
0:00
20M
20.00 mi12:01:262:01:086:038:34
6:18
+0:08
21M
21.00 mi12:08:072:07:496:056:41
6:41
+0:23
35K
21.75 mi12:12:372:12:196:054:30
6:01
-0:40
23M
23.00 mi12:20:362:20:186:067:59
6:23
+0:22
24M
24.00 mi12:26:452:26:276:066:09
6:09
-0:14
40K
24.85 mi12:32:092:31:516:075:24
6:19
+0:10
25.2M
25.20 mi12:34:382:34:206:072:29
7:12
+0:53
Finish
26.22 mi12:40:582:40:406:086:20
6:13
-0:59

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

5:56 /mi

Average Pace

6:08 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:44

37% of race

Time at Steady Pace

1:23:47

52% of race

Time at Slower Pace

17:09

11% of race

Average Pace: 6:08 /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 mi10:19:0018:426:0118:42
6:01
#973
10K
6.21 mi10:37:3837:206:0018:38
6:00
#904
15K
9.32 mi10:56:0655:485:5918:28
5:57
#808
20K
12.43 mi11:14:411:14:235:5918:35
5:59
#726
Half
13.11 mi11:18:441:18:265:594:03
5:56
#717
25K
15.53 mi11:33:411:33:236:0114:57
6:10
#712
30K
18.64 mi11:52:521:52:346:0219:11
6:10
#620
20M
20.00 mi12:01:262:01:086:038:34
6:18
#587
21M
21.00 mi12:08:072:07:496:056:41
6:41
#563
35K
21.75 mi12:12:372:12:196:054:30
6:01
#542
23M
23.00 mi12:20:362:20:186:067:59
6:23
#519
24M
24.00 mi12:26:452:26:276:066:09
6:09
#493
40K
24.85 mi12:32:092:31:516:075:24
6:19
#476
25.2M
25.20 mi12:34:382:34:206:072:29
7:12
#478
Finish
26.22 mi12:40:582:40:406:086:20
6:13
#480
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi973936936635(Top 2%)613(Top 4%)613(Top 28%)
10K6.21 mi3.10 mi904+69869+67869+67854(Top 3%)827(Top 6%)827(Top 37%)
15K9.32 mi3.11 mi808+96780+89780+89635(Top 2%)613(Top 4%)613(Top 28%)
20K12.43 mi3.11 mi726+82700+80700+80551(Top 2%)527(Top 4%)527(Top 24%)
Half13.11 mi0.68 mi717+9692+8692+8609(Top 2%)584(Top 4%)584(Top 26%)
25K15.53 mi2.42 mi712+5687+5687+5775(Top 3%)744(Top 5%)744(Top 34%)
30K18.64 mi3.11 mi620+92593+94593+94442(Top 2%)414(Top 3%)414(Top 19%)
20M20.00 mi1.36 mi587+33559+34559+34521(Top 2%)492(Top 3%)492(Top 22%)
21M21.00 mi1.00 mi563+24536+23536+23541(Top 2%)506(Top 3%)506(Top 23%)
35K21.75 mi0.75 mi542+21515+21515+21385(Top 2%)356(Top 2%)356(Top 16%)
23M23.00 mi1.25 mi519+23492+23492+23497(Top 2%)465(Top 3%)465(Top 21%)
24M24.00 mi1.00 mi493+26466+26466+26393(Top 2%)364(Top 2%)364(Top 16%)
40K24.85 mi0.85 mi476+17449+17449+17451(Top 2%)419(Top 3%)419(Top 19%)
25.2M25.20 mi0.35 mi478-2451-2451-2836(Top 3%)767(Top 5%)767(Top 35%)
Finish26.22 mi1.02 mi480-2452-1452-1738(Top 3%)687(Top 5%)687(Top 31%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

635

Males

613

M45-49

613

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

854

Males

827

M45-49

827

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

635

Males

613

M45-49

613

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

551

Males

527

M45-49

527

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

609

Males

584

M45-49

584

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

775

Males

744

M45-49

744

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

442

Males

414

M45-49

414

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

521

Males

492

M45-49

492

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

541

Males

506

M45-49

506

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

385

Males

356

M45-49

356

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

497

Males

465

M45-49

465

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

393

Males

364

M45-49

364

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

451

Males

419

M45-49

419

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

836

Males

767

M45-49

767

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

738

Males

687

M45-49

687

Passing Analysis

Category:
Athletes Passed
605
Passed By
112
Net Change
+493
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#973
5K → 10K9627+69#973#904
10K → 15K1004+96#904#808
15K → 20K853+82#808#726
20K → Half112+9#726#717
Half → 25K3126+5#717#712
25K → 30K997+92#712#620
30K → 20M385+33#620#587
20M → 21M328+24#587#563
21M → 35K232+21#563#542
35K → 23M285+23#542#519
23M → 24M293+26#519#493
24M → 40K225+17#493#476
40K → 25.2M57-2#476#478
25.2M → Finish68-2#478#480
TOTALS605112+493
📊

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