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BOSTON MARATHON 2024

Jianfeng Hong

Bib: 19275•M

IL

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
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
8:38/mi
26:49
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
54:56
↑ 79↓ 1380.4%
15K· 9.32 mi
9:15/mi
1:23:40
↑ 67↓ 78
20K· 12.43 mi
9:50/mi
1:54:13
↑ 106↓ 860.1%
Half· 13.11 mi
9:14/mi
2:00:31
↑ 19↓ 370.5%
25K· 15.53 mi
9:43/mi
2:24:04
↑ 66↓ 880.2%
30K· 18.64 mi
10:00/mi
2:55:08
↑ 181↓ 1480.2%
20M
10:05/mi
3:08:50
↑ 64↓ 500.2%
21M
11:05/mi
3:19:55
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
3:27:12
↑ 17↓ 861.7%
23M
10:13/mi
3:39:59
↑ 23↓ 630.6%
24M
9:58/mi
3:49:57
↓ 821.3%
40K· 24.85 mi
10:37/mi
3:59:02
↓ 200.3%
25.2M
11:07/mi
4:02:52
↑ 13↓ 160.2%
Finish· 26.22 mi
10:01/mi
4:13:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:31
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:12:33
Pace10:07 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2526:498:3826:49
8:38
-
10K
6.21 mi11:48:3254:568:5028:07
9:03
+0:25
15K
9.32 mi12:17:161:23:408:5928:44
9:15
+0:12
20K
12.43 mi12:47:491:54:139:1130:33
9:50
+0:35
Half
13.11 mi12:54:072:00:319:126:18
9:14
-0:36
25K
15.53 mi13:17:402:24:049:1623:33
9:43
+0:29
30K
18.64 mi13:48:442:55:089:2431:04
10:00
+0:17
20M
20.00 mi14:02:263:08:509:2613:42
10:05
+0:05
21M
21.00 mi14:13:313:19:559:3111:05
11:05
+1:00
35K
21.75 mi14:20:483:27:129:327:17
9:44
-1:21
23M
23.00 mi14:33:353:39:599:3412:47
10:13
+0:29
24M
24.00 mi14:43:333:49:579:359:58
9:58
-0:15
40K
24.85 mi14:52:383:59:029:379:05
10:37
+0:39
25.2M
25.20 mi14:56:284:02:529:383:50
11:07
+0:30
Finish
26.22 mi15:06:404:13:049:4010:12
10:01
-1:06

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

8:38 /mi

Average Pace

9:40 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:58

36% of race

Time at Steady Pace

2:19:06

55% of race

Time at Slower Pace

24:00

9% of race

Average Pace: 9:39 /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 mi11:20:2526:498:3826:49
8:38
#18482
10K
6.21 mi11:48:3254:568:5028:07
9:03
#19227
15K
9.32 mi12:17:161:23:408:5928:44
9:15
#19462
20K
12.43 mi12:47:491:54:139:1130:33
9:50
#19707
Half
13.11 mi12:54:072:00:319:126:18
9:14
#19690
25K
15.53 mi13:17:402:24:049:1623:33
9:43
#19430
30K
18.64 mi13:48:442:55:089:2431:04
10:00
#19007
20M
20.00 mi14:02:263:08:509:2613:42
10:05
#18803
21M
21.00 mi14:13:313:19:559:3111:05
11:05
#18655
35K
21.75 mi14:20:483:27:129:327:17
9:44
#18546
23M
23.00 mi14:33:353:39:599:3412:47
10:13
#18372
24M
24.00 mi14:43:333:49:579:359:58
9:58
#18258
40K
24.85 mi14:52:383:59:029:379:05
10:37
#18190
25.2M
25.20 mi14:56:284:02:529:383:50
11:07
#18135
Finish
26.22 mi15:06:404:13:049:4010:12
10:01
#18103
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18482113971139719867(Top 78%)12115(Top 83%)12115(Top 1033%)
10K6.21 mi3.10 mi19227-74511737-34011737-34019920(Top 78%)12092(Top 83%)12092(Top 1031%)
15K9.32 mi3.11 mi19462-23511864-12711864-12719867(Top 78%)12115(Top 83%)12115(Top 1033%)
20K12.43 mi3.11 mi19707-24512000-13612000-13620133(Top 79%)12203(Top 84%)12203(Top 1040%)
Half13.11 mi0.68 mi19690+1711988+1211988+1219185(Top 75%)11703(Top 80%)11703(Top 998%)
25K15.53 mi2.42 mi19430+26011853+13511853+13518258(Top 71%)11254(Top 77%)11254(Top 959%)
30K18.64 mi3.11 mi19007+42311599+25411599+25417340(Top 68%)10606(Top 73%)10606(Top 904%)
20M20.00 mi1.36 mi18803+20411475+12411475+12416747(Top 66%)10133(Top 70%)10133(Top 864%)
21M21.00 mi1.00 mi18655+14811379+9611379+9616550(Top 65%)9894(Top 68%)9894(Top 843%)
35K21.75 mi0.75 mi18546+10911317+6211317+6216316(Top 64%)9772(Top 67%)9772(Top 833%)
23M23.00 mi1.25 mi18372+17411205+11211205+11216138(Top 63%)9643(Top 66%)9643(Top 822%)
24M24.00 mi1.00 mi18258+11411125+8011125+8016209(Top 63%)9625(Top 66%)9625(Top 821%)
40K24.85 mi0.85 mi18190+6811071+5411071+5417040(Top 67%)9964(Top 68%)9964(Top 849%)
25.2M25.20 mi0.35 mi18135+5511034+3711034+3714879(Top 58%)8876(Top 61%)8876(Top 757%)
Finish26.22 mi1.02 mi18103+3210989+4510989+4518402(Top 72%)10677(Top 73%)10677(Top 910%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

19867

Males

12115

M60-64

12115

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

19920

Males

12092

M60-64

12092

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

19867

Males

12115

M60-64

12115

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

20133

Males

12203

M60-64

12203

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

19185

Males

11703

M60-64

11703

Half→25K

13.1 - 15.5 mi

Top 71%
×4story building
+66ft-88ft

Overall

18258

Males

11254

M60-64

11254

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

17340

Males

10606

M60-64

10606

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

16747

Males

10133

M60-64

10133

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

16550

Males

9894

M60-64

9894

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16316

Males

9772

M60-64

9772

35K→23M

21.8 - 23.0 mi

Top 63%
×5story building
+23ft-63ft

Overall

16138

Males

9643

M60-64

9643

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16209

Males

9625

M60-64

9625

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17040

Males

9964

M60-64

9964

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

14879

Males

8876

M60-64

8876

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

18402

Males

10677

M60-64

10677

Passing Analysis

Category:
Athletes Passed
2302
Passed By
1923
Net Change
+379
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18482
5K → 10K86831-745#18482#19227
10K → 15K153388-235#19227#19462
15K → 20K155400-245#19462#19707
20K → Half4225+17#19707#19690
Half → 25K31959+260#19690#19430
25K → 30K46845+423#19430#19007
30K → 20M22016+204#19007#18803
20M → 21M17527+148#18803#18655
21M → 35K11910+109#18655#18546
35K → 23M19723+174#18546#18372
23M → 24M12511+114#18372#18258
24M → 40K9426+68#18258#18190
40K → 25.2M616+55#18190#18135
25.2M → Finish8856+32#18135#18103
TOTALS23021923+379
📊

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