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BOSTON MARATHON 2024

Dingsong Feng

Bib: 17422•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 36%
Gender (Male)
#0 / 14578
Top 47%
Masters (Masters Men)
#0 / 9729
Top 37%
Division (M55-59)
#0 / 1529
Top 23%
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
8:07/mi
25:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
49:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:14:07
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:38:36
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:43:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
2:02:45
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:27:42
↑ 181↓ 1480.2%
20M
7:59/mi
2:38:33
↑ 64↓ 500.2%
21M
8:39/mi
2:47:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:53:03
↑ 17↓ 861.7%
23M
8:04/mi
3:03:09
↑ 23↓ 630.6%
24M
7:47/mi
3:10:56
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:17:51
↓ 200.3%
25.2M
8:56/mi
3:20:56
↑ 13↓ 160.2%
Finish· 26.22 mi
7:37/mi
3:28:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:48
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:44:54
Pace8:00 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2325:138:0725:13
8:07
-
10K
6.21 mi11:40:4549:357:5924:22
7:51
-0:16
15K
9.32 mi12:05:171:14:077:5724:32
7:54
+0:03
20K
12.43 mi12:29:461:38:367:5624:29
7:53
-0:01
Half
13.11 mi12:34:581:43:487:555:12
7:37
-0:16
25K
15.53 mi12:53:552:02:457:5418:57
7:49
+0:12
30K
18.64 mi13:18:522:27:427:5524:57
8:02
+0:13
20M
20.00 mi13:29:432:38:337:5610:51
7:59
-0:03
21M
21.00 mi13:38:222:47:127:588:39
8:39
+0:40
35K
21.75 mi13:44:132:53:037:575:51
7:49
-0:50
23M
23.00 mi13:54:193:03:097:5810:06
8:04
+0:15
24M
24.00 mi14:02:063:10:567:577:47
7:47
-0:17
40K
24.85 mi14:09:013:17:517:586:55
8:05
+0:18
25.2M
25.20 mi14:12:063:20:567:583:05
8:56
+0:51
Finish
26.22 mi14:19:523:28:427:587:46
7:37
-1:19

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

7:37 /mi

Average Pace

7:58 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:58

94% of race

Time at Steady Pace

11:44

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:58 /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 mi11:16:2325:138:0725:13
8:07
#15474
10K
6.21 mi11:40:4549:357:5924:22
7:51
#14249
15K
9.32 mi12:05:171:14:077:5724:32
7:54
#13701
20K
12.43 mi12:29:461:38:367:5624:29
7:53
#12885
Half
13.11 mi12:34:581:43:487:555:12
7:37
#12729
25K
15.53 mi12:53:552:02:457:5418:57
7:49
#11984
30K
18.64 mi13:18:522:27:427:5524:57
8:02
#11123
20M
20.00 mi13:29:432:38:337:5610:51
7:59
#10679
21M
21.00 mi13:38:222:47:127:588:39
8:39
#10375
35K
21.75 mi13:44:132:53:037:575:51
7:49
#10195
23M
23.00 mi13:54:193:03:097:5810:06
8:04
#9868
24M
24.00 mi14:02:063:10:567:577:47
7:47
#9597
40K
24.85 mi14:09:013:17:517:586:55
8:05
#9422
25.2M
25.20 mi14:12:063:20:567:583:05
8:56
#9361
Finish
26.22 mi14:19:523:28:427:587:46
7:37
#9194
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15474102021020212627(Top 49%)9007(Top 62%)9007(Top 589%)
10K6.21 mi3.10 mi14249+12259732+4709732+47012990(Top 51%)9190(Top 63%)9190(Top 601%)
15K9.32 mi3.11 mi13701+5489486+2469486+24612627(Top 49%)9007(Top 62%)9007(Top 589%)
20K12.43 mi3.11 mi12885+8169149+3379149+33710966(Top 43%)8141(Top 56%)8141(Top 532%)
Half13.11 mi0.68 mi12729+1569069+809069+809952(Top 39%)7649(Top 52%)7649(Top 500%)
25K15.53 mi2.42 mi11984+7458703+3668703+3669003(Top 35%)6975(Top 48%)6975(Top 456%)
30K18.64 mi3.11 mi11123+8618206+4978206+4978039(Top 31%)6236(Top 43%)6236(Top 408%)
20M20.00 mi1.36 mi10679+4447938+2687938+2686673(Top 26%)5262(Top 36%)5262(Top 344%)
21M21.00 mi1.00 mi10375+3047729+2097729+2096905(Top 27%)5221(Top 36%)5221(Top 341%)
35K21.75 mi0.75 mi10195+1807609+1207609+1206695(Top 26%)5081(Top 35%)5081(Top 332%)
23M23.00 mi1.25 mi9868+3277376+2337376+2336094(Top 24%)4588(Top 31%)4588(Top 300%)
24M24.00 mi1.00 mi9597+2717198+1787198+1785464(Top 21%)4170(Top 29%)4170(Top 273%)
40K24.85 mi0.85 mi9422+1757070+1287070+1286228(Top 24%)4458(Top 31%)4458(Top 292%)
25.2M25.20 mi0.35 mi9361+617020+507020+506270(Top 25%)4423(Top 30%)4423(Top 289%)
Finish26.22 mi1.02 mi9194+1676889+1316889+1316274(Top 25%)4483(Top 31%)4483(Top 293%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12627

Males

9007

M55-59

9007

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

12990

Males

9190

M55-59

9190

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12627

Males

9007

M55-59

9007

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

10966

Males

8141

M55-59

8141

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

9952

Males

7649

M55-59

7649

Half→25K

13.1 - 15.5 mi

Top 35%
×4story building
+66ft-88ft

Overall

9003

Males

6975

M55-59

6975

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8039

Males

6236

M55-59

6236

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6673

Males

5262

M55-59

5262

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

6905

Males

5221

M55-59

5221

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6695

Males

5081

M55-59

5081

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6094

Males

4588

M55-59

4588

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5464

Males

4170

M55-59

4170

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6228

Males

4458

M55-59

4458

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6270

Males

4423

M55-59

4423

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

6274

Males

4483

M55-59

4483

Passing Analysis

Category:
Athletes Passed
6428*
Passed By
148
Net Change
+6280
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15474
5K → 10K124217+1225#15474#14249
10K → 15K58537+548#14249#13701
15K → 20K82610+816#13701#12885
20K → Half1571+156#12885#12729
Half → 25K7472+745#12729#11984
25K → 30K87312+861#11984#11123
30K → 20M4451+444#11123#10679
20M → 21M31410+304#10679#10375
21M → 35K1833+180#10375#10195
35K → 23M337*10+327#10195#9868
23M → 24M274*3+271#9868#9597
24M → 40K19116+175#9597#9422
40K → 25.2M7211+61#9422#9361
25.2M → Finish18215+167#9361#9194
TOTALS6428*148+6280

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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