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BOSTON MARATHON 2024

Chunrong Qin

Bib: 18102•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 43%
Gender (Female)
#0 / 10924
Top 29%
Masters (Masters Women)
#0 / 6263
Top 17%
Division (F50-54)
#0 / 1187
Top 11%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:41
Rank: #14231
Start → 5K
7:57/mi
24:41 split
10K· 6.21 mi
49:24
Rank: #14054 (+177)
5K → 10K
7:57/mi
24:43 split
15K· 9.32 mi
1:14:21
Rank: #13902 (+152)
10K → 15K
8:02/mi
24:57 split
20K· 12.43 mi
1:39:59
Rank: #13738 (+164)
15K → 20K
8:15/mi
25:38 split
Half· 13.11 mi
1:45:24
Rank: #13655 (+83)
20K → Half
7:56/mi
5:25 split
25K· 15.53 mi
2:05:07
Rank: #13098 (+557)
Half → 25K
8:08/mi
19:43 split
30K· 18.64 mi
2:33:04
Rank: #13032 (+66)
25K → 30K
9:00/mi
27:57 split
20M
2:44:20
Rank: #12607 (+425)
30K → 20M
8:17/mi
11:16 split
21M
2:53:34
Rank: #12392 (+215)
20M → 21M
9:14/mi
9:14 split
35K· 21.75 mi
2:59:31
Rank: #12182 (+210)
21M → 35K
7:57/mi
5:57 split
23M
3:09:54
Rank: #11843 (+339)
35K → 23M
8:18/mi
10:23 split
24M
3:17:50
Rank: #11525 (+318)
23M → 24M
7:56/mi
7:56 split
40K· 24.85 mi
3:24:50
Rank: #11273 (+252)
24M → 40K
8:11/mi
7:00 split
25.2M
3:27:54
Rank: #11153 (+120)
40K → 25.2M
8:54/mi
3:04 split
Finish· 26.22 mi
3:35:48
Rank: #10950 (+203)
25.2M → Finish
7:45/mi
7:54 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:24
Pace8:02 /mi
2nd Half
Distance13.11 mi
Time1:50:24
Pace8:25 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1724:417:5724:41
7:57
-
10K
6.21 mi11:41:0049:247:5724:43
7:57
0:00
15K
9.32 mi12:05:571:14:217:5924:57
8:02
+0:05
20K
12.43 mi12:31:351:39:598:0325:38
8:15
+0:13
Half
13.11 mi12:37:001:45:248:025:25
7:56
-0:19
25K
15.53 mi12:56:432:05:078:0319:43
8:08
+0:12
30K
18.64 mi13:24:402:33:048:1327:57
9:00
+0:52
20M
20.00 mi13:35:562:44:208:1311:16
8:17
-0:43
21M
21.00 mi13:45:102:53:348:169:14
9:14
+0:57
35K
21.75 mi13:51:072:59:318:155:57
7:57
-1:17
23M
23.00 mi14:01:303:09:548:1510:23
8:18
+0:21
24M
24.00 mi14:09:263:17:508:157:56
7:56
-0:22
40K
24.85 mi14:16:263:24:508:147:00
8:11
+0:15
25.2M
25.20 mi14:19:303:27:548:153:04
8:54
+0:43
Finish
26.22 mi14:27:243:35:488:147:54
7:45
-1:09

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

7:45 /mi

Average Pace

8:14 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:33

81% of race

Time at Steady Pace

31:01

14% of race

Time at Slower Pace

9:14

4% of race

Average Pace: 8:14 /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 mi11:16:1724:417:5724:41
7:57
#14231
10K
6.21 mi11:41:0049:247:5724:43
7:57
#14054
15K
9.32 mi12:05:571:14:217:5924:57
8:02
#13902
20K
12.43 mi12:31:351:39:598:0325:38
8:15
#13738
Half
13.11 mi12:37:001:45:248:025:25
7:56
#13655
25K
15.53 mi12:56:432:05:078:0319:43
8:08
#13098
30K
18.64 mi13:24:402:33:048:1327:57
9:00
#13032
20M
20.00 mi13:35:562:44:208:1311:16
8:17
#12607
21M
21.00 mi13:45:102:53:348:169:14
9:14
#12392
35K
21.75 mi13:51:072:59:318:155:57
7:57
#12182
23M
23.00 mi14:01:303:09:548:1510:23
8:18
#11843
24M
24.00 mi14:09:263:17:508:157:56
7:56
#11525
40K
24.85 mi14:16:263:24:508:147:00
8:11
#11273
25.2M
25.20 mi14:19:303:27:548:153:04
8:54
#11153
Finish
26.22 mi14:27:243:35:488:147:54
7:45
#10950
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi142314462446213667(Top 53%)4163(Top 38%)4163(Top 351%)
10K6.21 mi3.10 mi14054+1774368+944368+9413879(Top 54%)4277(Top 39%)4277(Top 360%)
15K9.32 mi3.11 mi13902+1524289+794289+7913667(Top 53%)4163(Top 38%)4163(Top 351%)
20K12.43 mi3.11 mi13738+1644204+854204+8513437(Top 53%)4076(Top 37%)4076(Top 343%)
Half13.11 mi0.68 mi13655+834157+474157+4712358(Top 48%)3513(Top 32%)3513(Top 296%)
25K15.53 mi2.42 mi13098+5573862+2953862+29510990(Top 43%)2959(Top 27%)2959(Top 249%)
30K18.64 mi3.11 mi13032+663933-713933-7113226(Top 52%)4404(Top 40%)4404(Top 371%)
20M20.00 mi1.36 mi12607+4253748+1853748+1858365(Top 33%)2174(Top 20%)2174(Top 183%)
21M21.00 mi1.00 mi12392+2153685+633685+639664(Top 38%)3047(Top 28%)3047(Top 257%)
35K21.75 mi0.75 mi12182+2103609+763609+767558(Top 30%)2028(Top 19%)2028(Top 171%)
23M23.00 mi1.25 mi11843+3393485+1243485+1247342(Top 29%)2078(Top 19%)2078(Top 175%)
24M24.00 mi1.00 mi11525+3183364+1213364+1216306(Top 25%)1677(Top 15%)1677(Top 141%)
40K24.85 mi0.85 mi11273+2523271+933271+936753(Top 26%)2009(Top 18%)2009(Top 169%)
25.2M25.20 mi0.35 mi11153+1203236+353236+356160(Top 24%)1816(Top 17%)1816(Top 153%)
Finish26.22 mi1.02 mi10950+2033170+663170+667106(Top 28%)2173(Top 20%)2173(Top 183%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

13667

Females

4163

F50-54

4163

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

13879

Females

4277

F50-54

4277

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

13667

Females

4163

F50-54

4163

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

13437

Females

4076

F50-54

4076

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12358

Females

3513

F50-54

3513

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

10990

Females

2959

F50-54

2959

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13226

Females

4404

F50-54

4404

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8365

Females

2174

F50-54

2174

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

9664

Females

3047

F50-54

3047

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

7558

Females

2028

F50-54

2028

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

7342

Females

2078

F50-54

2078

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6306

Females

1677

F50-54

1677

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6753

Females

2009

F50-54

2009

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6160

Females

1816

F50-54

1816

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7106

Females

2173

F50-54

2173

Passing Analysis

Category:
Athletes Passed
4113
Passed By
832
Net Change
+3281
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14231
5K → 10K374197+177#14231#14054
10K → 15K310158+152#14054#13902
15K → 20K324160+164#13902#13738
20K → Half929+83#13738#13655
Half → 25K56912+557#13655#13098
25K → 30K307241+66#13098#13032
30K → 20M4250+425#13032#12607
20M → 21M24429+215#12607#12392
21M → 35K2177+210#12392#12182
35K → 23M3412+339#12182#11843
23M → 24M3224+318#11843#11525
24M → 40K2553+252#11525#11273
40K → 25.2M1211+120#11273#11153
25.2M → Finish2129+203#11153#10950
TOTALS4113832+3281
📊

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