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BOSTON MARATHON 2024

Chongxun Pan

Bib: 18736•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 46%
Gender (Female)
#0 / 10924
Top 33%
Masters (Masters Women)
#0 / 6263
Top 20%
Division (F50-54)
#0 / 1187
Top 13%
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
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
49:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:07/mi
1:14:40
↑ 67↓ 78
20K· 12.43 mi
8:19/mi
1:40:31
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:46:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:06:19
↑ 66↓ 880.2%
30K· 18.64 mi
8:38/mi
2:33:07
↑ 181↓ 1480.2%
20M
8:40/mi
2:44:53
↑ 64↓ 500.2%
21M
9:42/mi
2:54:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
3:00:37
↑ 17↓ 861.7%
23M
8:38/mi
3:11:26
↑ 23↓ 630.6%
24M
8:39/mi
3:20:05
↓ 821.3%
40K· 24.85 mi
8:29/mi
3:27:20
↓ 200.3%
25.2M
9:52/mi
3:30:44
↑ 13↓ 160.2%
Finish· 26.22 mi
7:51/mi
3:38:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:08
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:52:36
Pace8:35 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3924:297:5324:29
7:53
-
10K
6.21 mi11:41:3849:287:5824:59
8:02
+0:09
15K
9.32 mi12:06:501:14:408:0125:12
8:07
+0:05
20K
12.43 mi12:32:411:40:318:0525:51
8:19
+0:12
Half
13.11 mi12:38:181:46:088:065:37
8:14
-0:05
25K
15.53 mi12:58:292:06:198:0820:11
8:19
+0:05
30K
18.64 mi13:25:172:33:078:1326:48
8:38
+0:19
20M
20.00 mi13:37:032:44:538:1511:46
8:40
+0:02
21M
21.00 mi13:46:452:54:358:199:42
9:42
+1:02
35K
21.75 mi13:52:473:00:378:186:02
8:04
-1:38
23M
23.00 mi14:03:363:11:268:1910:49
8:38
+0:34
24M
24.00 mi14:12:153:20:058:208:39
8:39
+0:01
40K
24.85 mi14:19:303:27:208:217:15
8:29
-0:10
25.2M
25.20 mi14:22:543:30:448:223:24
9:52
+1:23
Finish
26.22 mi14:30:543:38:448:218:00
7:51
-2:01

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

7:51 /mi

Average Pace

8:21 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

32:29

15% of race

Time at Steady Pace

1:55:07

53% of race

Time at Slower Pace

1:11:08

33% of race

Average Pace: 8:21 /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 mi11:16:3924:297:5324:29
7:53
#13739
10K
6.21 mi11:41:3849:287:5824:59
8:02
#14132
15K
9.32 mi12:06:501:14:408:0125:12
8:07
#14120
20K
12.43 mi12:32:411:40:318:0525:51
8:19
#13993
Half
13.11 mi12:38:181:46:088:065:37
8:14
#13986
25K
15.53 mi12:58:292:06:198:0820:11
8:19
#13633
30K
18.64 mi13:25:172:33:078:1326:48
8:38
#13054
20M
20.00 mi13:37:032:44:538:1511:46
8:40
#12777
21M
21.00 mi13:46:452:54:358:199:42
9:42
#12677
35K
21.75 mi13:52:473:00:378:186:02
8:04
#12501
23M
23.00 mi14:03:363:11:268:1910:49
8:38
#12242
24M
24.00 mi14:12:153:20:058:208:39
8:39
#12108
40K
24.85 mi14:19:303:27:208:217:15
8:29
#11940
25.2M
25.20 mi14:22:543:30:448:223:24
9:52
#11897
Finish
26.22 mi14:30:543:38:448:218:00
7:51
#11679
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi137394141414114166(Top 55%)4465(Top 41%)4465(Top 376%)
10K6.21 mi3.10 mi14132-3934421-2804421-28014495(Top 57%)4624(Top 42%)4624(Top 390%)
15K9.32 mi3.11 mi14120+124415+64415+614166(Top 55%)4465(Top 41%)4465(Top 376%)
20K12.43 mi3.11 mi13993+1274358+574358+5713832(Top 54%)4319(Top 40%)4319(Top 364%)
Half13.11 mi0.68 mi13986+74356+24356+214214(Top 56%)4574(Top 42%)4574(Top 385%)
25K15.53 mi2.42 mi13633+3534172+1844172+18412123(Top 47%)3581(Top 33%)3581(Top 302%)
30K18.64 mi3.11 mi13054+5793946+2263946+22611306(Top 44%)3346(Top 31%)3346(Top 282%)
20M20.00 mi1.36 mi12777+2773843+1033843+10310333(Top 40%)3119(Top 29%)3119(Top 263%)
21M21.00 mi1.00 mi12677+1003845-23845-211709(Top 46%)4110(Top 38%)4110(Top 346%)
35K21.75 mi0.75 mi12501+1763789+563789+568241(Top 32%)2355(Top 22%)2355(Top 198%)
23M23.00 mi1.25 mi12242+2593707+823707+829235(Top 36%)3000(Top 27%)3000(Top 253%)
24M24.00 mi1.00 mi12108+1343685+223685+2210319(Top 40%)3605(Top 33%)3605(Top 304%)
40K24.85 mi0.85 mi11940+1683637+483637+488272(Top 32%)2717(Top 25%)2717(Top 229%)
25.2M25.20 mi0.35 mi11897+433627+103627+1010388(Top 41%)3805(Top 35%)3805(Top 321%)
Finish26.22 mi1.02 mi11679+2183556+713556+717670(Top 30%)2420(Top 22%)2420(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14166

Females

4465

F50-54

4465

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

14495

Females

4624

F50-54

4624

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14166

Females

4465

F50-54

4465

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

13832

Females

4319

F50-54

4319

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14214

Females

4574

F50-54

4574

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12123

Females

3581

F50-54

3581

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11306

Females

3346

F50-54

3346

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10333

Females

3119

F50-54

3119

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

11709

Females

4110

F50-54

4110

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8241

Females

2355

F50-54

2355

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9235

Females

3000

F50-54

3000

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10319

Females

3605

F50-54

3605

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8272

Females

2717

F50-54

2717

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10388

Females

3805

F50-54

3805

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7670

Females

2420

F50-54

2420

Passing Analysis

Category:
Athletes Passed
3332
Passed By
1272
Net Change
+2060
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13739
5K → 10K163556-393#13739#14132
10K → 15K238226+12#14132#14120
15K → 20K308181+127#14120#13993
20K → Half5144+7#13993#13986
Half → 25K39744+353#13986#13633
25K → 30K62041+579#13633#13054
30K → 20M30124+277#13054#12777
20M → 21M16767+100#12777#12677
21M → 35K1804+176#12677#12501
35K → 23M27617+259#12501#12242
23M → 24M16531+134#12242#12108
24M → 40K18012+168#12108#11940
40K → 25.2M6017+43#11940#11897
25.2M → Finish2268+218#11897#11679
TOTALS33321272+2060
📊

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