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BOSTON MARATHON 2024

Gan Dong

Bib: 12027•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 33%
Gender (Male)
#0 / 14578
Top 44%
Masters (Masters Men)
#0 / 9729
Top 34%
Division (M50-54)
#0 / 1935
Top 34%
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
7:15/mi
22:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
45:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:15/mi
1:07:32
↑ 67↓ 78
20K· 12.43 mi
7:21/mi
1:30:22
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:35:19
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:53:33
↑ 66↓ 880.2%
30K· 18.64 mi
7:57/mi
2:18:16
↑ 181↓ 1480.2%
20M
8:40/mi
2:30:02
↑ 64↓ 500.2%
21M
9:08/mi
2:39:10
↑ 106↓ 241.6%
35K· 21.75 mi
9:08/mi
2:46:00
↑ 17↓ 861.7%
23M
9:15/mi
2:57:35
↑ 23↓ 630.6%
24M
8:59/mi
3:06:34
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:14:31
↓ 200.3%
25.2M
9:20/mi
3:17:44
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:25:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:19
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:50:37
Pace8:26 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1222:317:1522:31
7:15
-
10K
6.21 mi11:13:4145:007:1522:29
7:14
-0:01
15K
9.32 mi11:36:131:07:327:1522:32
7:15
+0:01
20K
12.43 mi11:59:031:30:227:1622:50
7:21
+0:06
Half
13.11 mi12:04:001:35:197:164:57
7:15
-0:06
25K
15.53 mi12:22:141:53:337:1918:14
7:31
+0:16
30K
18.64 mi12:46:572:18:167:2524:43
7:57
+0:26
20M
20.00 mi12:58:432:30:027:3011:46
8:40
+0:43
21M
21.00 mi13:07:512:39:107:359:08
9:08
+0:28
35K
21.75 mi13:14:412:46:007:386:50
9:08
0:00
23M
23.00 mi13:26:162:57:357:4311:35
9:15
+0:07
24M
24.00 mi13:35:153:06:347:468:59
8:59
-0:16
40K
24.85 mi13:43:123:14:317:507:57
9:18
+0:19
25.2M
25.20 mi13:46:253:17:447:513:13
9:20
+0:02
Finish
26.22 mi13:54:373:25:567:528:12
8:03
-1:17

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

7:14 /mi

Average Pace

7:52 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:33

55% of race

Time at Steady Pace

32:55

16% of race

Time at Slower Pace

59:28

29% of race

Average Pace: 7:51 /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 mi10:51:1222:317:1522:31
7:15
#8771
10K
6.21 mi11:13:4145:007:1522:29
7:14
#8448
15K
9.32 mi11:36:131:07:327:1522:32
7:15
#8178
20K
12.43 mi11:59:031:30:227:1622:50
7:21
#7918
Half
13.11 mi12:04:001:35:197:164:57
7:15
#7874
25K
15.53 mi12:22:141:53:337:1918:14
7:31
#7668
30K
18.64 mi12:46:572:18:167:2524:43
7:57
#7572
20M
20.00 mi12:58:432:30:027:3011:46
8:40
#7769
21M
21.00 mi13:07:512:39:107:359:08
9:08
#7771
35K
21.75 mi13:14:412:46:007:386:50
9:08
#7992
23M
23.00 mi13:26:162:57:357:4311:35
9:15
#8196
24M
24.00 mi13:35:153:06:347:468:59
8:59
#8330
40K
24.85 mi13:43:123:14:317:507:57
9:18
#8468
25.2M
25.20 mi13:46:253:17:447:513:13
9:20
#8422
Finish
26.22 mi13:54:373:25:567:528:12
8:03
#8401
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8771727272727841(Top 31%)6630(Top 45%)6630(Top 343%)
10K6.21 mi3.10 mi8448+3237037+2357037+2358183(Top 32%)6855(Top 47%)6855(Top 354%)
15K9.32 mi3.11 mi8178+2706873+1646873+1647841(Top 31%)6630(Top 45%)6630(Top 343%)
20K12.43 mi3.11 mi7918+2606688+1856688+1857309(Top 29%)6177(Top 42%)6177(Top 319%)
Half13.11 mi0.68 mi7874+446657+316657+317340(Top 29%)6220(Top 43%)6220(Top 321%)
25K15.53 mi2.42 mi7668+2066488+1696488+1697098(Top 28%)5881(Top 40%)5881(Top 304%)
30K18.64 mi3.11 mi7572+966352+1366352+1367613(Top 30%)5982(Top 41%)5982(Top 309%)
20M20.00 mi1.36 mi7769-1976410-586410-5810295(Top 40%)7173(Top 49%)7173(Top 371%)
21M21.00 mi1.00 mi7771-26363+476363+479175(Top 36%)6367(Top 44%)6367(Top 329%)
35K21.75 mi0.75 mi7992-2216456-936456-9313926(Top 55%)8594(Top 59%)8594(Top 444%)
23M23.00 mi1.25 mi8196-2046506-506506-5012362(Top 48%)7744(Top 53%)7744(Top 400%)
24M24.00 mi1.00 mi8330-1346528-226528-2212043(Top 47%)7574(Top 52%)7574(Top 391%)
40K24.85 mi0.85 mi8468-1386568-406568-4012217(Top 48%)7542(Top 52%)7542(Top 390%)
25.2M25.20 mi0.35 mi8422+466508+606508+607977(Top 31%)5309(Top 36%)5309(Top 274%)
Finish26.22 mi1.02 mi8401+216462+466462+468800(Top 34%)5816(Top 40%)5816(Top 301%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

7841

Males

6630

M50-54

6630

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8183

Males

6855

M50-54

6855

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

7841

Males

6630

M50-54

6630

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7309

Males

6177

M50-54

6177

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

7340

Males

6220

M50-54

6220

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7098

Males

5881

M50-54

5881

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

7613

Males

5982

M50-54

5982

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10295

Males

7173

M50-54

7173

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9175

Males

6367

M50-54

6367

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

13926

Males

8594

M50-54

8594

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12362

Males

7744

M50-54

7744

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

12043

Males

7574

M50-54

7574

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12217

Males

7542

M50-54

7542

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

7977

Males

5309

M50-54

5309

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

8800

Males

5816

M50-54

5816

Passing Analysis

Category:
Athletes Passed
2260
Passed By
1890
Net Change
+370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8771
5K → 10K435112+323#8771#8448
10K → 15K32555+270#8448#8178
15K → 20K30848+260#8178#7918
20K → Half5612+44#7918#7874
Half → 25K27468+206#7874#7668
25K → 30K286190+96#7668#7572
30K → 20M76273-197#7572#7769
20M → 21M126128-2#7769#7771
21M → 35K27248-221#7771#7992
35K → 23M79283-204#7992#8196
23M → 24M63197-134#8196#8330
24M → 40K49187-138#8330#8468
40K → 25.2M7125+46#8468#8422
25.2M → Finish8564+21#8422#8401
TOTALS22601890+370
📊

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