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BOSTON MARATHON 2024

Chelsea Quinlan

Bib: 17964•F

NS

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 38%
Gender (Female)
#0 / 10924
Top 23%
Division (F18-39)
#0 / 4660
Top 38%
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
7:46/mi
24:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
48:05
↑ 79↓ 1380.4%
15K· 9.32 mi
7:52/mi
1:12:30
↑ 67↓ 78
20K· 12.43 mi
7:56/mi
1:37:09
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:42:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:01:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:27:29
↑ 181↓ 1480.2%
20M
8:15/mi
2:38:41
↑ 64↓ 500.2%
21M
8:42/mi
2:47:23
↑ 106↓ 241.6%
35K· 21.75 mi
7:46/mi
2:53:12
↑ 17↓ 861.7%
23M
8:14/mi
3:03:31
↑ 23↓ 630.6%
24M
8:11/mi
3:11:42
↓ 821.3%
40K· 24.85 mi
8:12/mi
3:18:43
↓ 200.3%
25.2M
9:40/mi
3:22:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:30:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:26
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:47:45
Pace8:13 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:5724:097:4624:09
7:46
-
10K
6.21 mi11:38:5348:057:4423:56
7:42
-0:04
15K
9.32 mi12:03:181:12:307:4724:25
7:52
+0:10
20K
12.43 mi12:27:571:37:097:4924:39
7:56
+0:04
Half
13.11 mi12:33:141:42:267:495:17
7:45
-0:11
25K
15.53 mi12:52:392:01:517:5119:25
8:00
+0:15
30K
18.64 mi13:18:172:27:297:5525:38
8:15
+0:15
20M
20.00 mi13:29:292:38:417:5611:12
8:15
0:00
21M
21.00 mi13:38:112:47:237:588:42
8:42
+0:27
35K
21.75 mi13:44:002:53:127:585:49
7:46
-0:56
23M
23.00 mi13:54:193:03:317:5910:19
8:14
+0:28
24M
24.00 mi14:02:303:11:427:598:11
8:11
-0:03
40K
24.85 mi14:09:313:18:438:007:01
8:12
+0:01
25.2M
25.20 mi14:12:513:22:038:013:20
9:40
+1:28
Finish
26.22 mi14:20:593:30:118:018:08
7:59
-1:41

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

7:42 /mi

Average Pace

8:01 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:13

14% of race

Time at Steady Pace

2:12:06

63% of race

Time at Slower Pace

48:52

23% of race

Average Pace: 8:01 /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 mi11:14:5724:097:4624:09
7:46
#12898
10K
6.21 mi11:38:5348:057:4423:56
7:42
#12395
15K
9.32 mi12:03:181:12:307:4724:25
7:52
#12343
20K
12.43 mi12:27:571:37:097:4924:39
7:56
#12049
Half
13.11 mi12:33:141:42:267:495:17
7:45
#11969
25K
15.53 mi12:52:392:01:517:5119:25
8:00
#11580
30K
18.64 mi13:18:172:27:297:5525:38
8:15
#11028
20M
20.00 mi13:29:292:38:417:5611:12
8:15
#10720
21M
21.00 mi13:38:112:47:237:588:42
8:42
#10432
35K
21.75 mi13:44:002:53:127:585:49
7:46
#10251
23M
23.00 mi13:54:193:03:317:5910:19
8:14
#9986
24M
24.00 mi14:02:303:11:427:598:11
8:11
#9829
40K
24.85 mi14:09:313:18:438:007:01
8:12
#9690
25.2M
25.20 mi14:12:513:22:038:013:20
9:40
#9675
Finish
26.22 mi14:20:593:30:118:018:08
7:59
#9613
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi128983668366812387(Top 48%)3447(Top 32%)3447(Top 74%)
10K6.21 mi3.10 mi12395+5033393+2753393+27511911(Top 47%)3139(Top 29%)3139(Top 67%)
15K9.32 mi3.11 mi12343+523381+123381+1212387(Top 48%)3447(Top 32%)3447(Top 74%)
20K12.43 mi3.11 mi12049+2943247+1343247+13411367(Top 44%)2988(Top 27%)2988(Top 64%)
Half13.11 mi0.68 mi11969+803203+443203+4410944(Top 43%)2764(Top 25%)2764(Top 59%)
25K15.53 mi2.42 mi11580+3893027+1763027+17610256(Top 40%)2611(Top 24%)2611(Top 56%)
30K18.64 mi3.11 mi11028+5522842+1852842+1859298(Top 36%)2365(Top 22%)2365(Top 51%)
20M20.00 mi1.36 mi10720+3082742+1002742+1008089(Top 32%)2028(Top 19%)2028(Top 44%)
21M21.00 mi1.00 mi10432+2882646+962646+967172(Top 28%)1799(Top 16%)1799(Top 39%)
35K21.75 mi0.75 mi10251+1812594+522594+526519(Top 26%)1542(Top 14%)1542(Top 33%)
23M23.00 mi1.25 mi9986+2652527+672527+677044(Top 28%)1922(Top 18%)1922(Top 41%)
24M24.00 mi1.00 mi9829+1572494+332494+337672(Top 30%)2324(Top 21%)2324(Top 50%)
40K24.85 mi0.85 mi9690+1392460+342460+346857(Top 27%)2059(Top 19%)2059(Top 44%)
25.2M25.20 mi0.35 mi9675+152468-82468-89466(Top 37%)3369(Top 31%)3369(Top 72%)
Finish26.22 mi1.02 mi9613+622471-32471-38434(Top 33%)2787(Top 26%)2787(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12387

Females

3447

F18-39

3447

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

11911

Females

3139

F18-39

3139

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12387

Females

3447

F18-39

3447

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11367

Females

2988

F18-39

2988

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

10944

Females

2764

F18-39

2764

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10256

Females

2611

F18-39

2611

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9298

Females

2365

F18-39

2365

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8089

Females

2028

F18-39

2028

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7172

Females

1799

F18-39

1799

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6519

Females

1542

F18-39

1542

35K→23M

21.8 - 23.0 mi

Top 28%
×5story building
+23ft-63ft

Overall

7044

Females

1922

F18-39

1922

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7672

Females

2324

F18-39

2324

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

6857

Females

2059

F18-39

2059

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9466

Females

3369

F18-39

3369

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2story building
+22ft-21ft

Overall

8434

Females

2787

F18-39

2787

Passing Analysis

Category:
Athletes Passed
3956*
Passed By
671
Net Change
+3285
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12898
5K → 10K60097+503#12898#12395
10K → 15K248196+52#12395#12343
15K → 20K39096+294#12343#12049
20K → Half9111+80#12049#11969
Half → 25K43243+389#11969#11580
25K → 30K60856+552#11580#11028
30K → 20M32820+308#11028#10720
20M → 21M30315+288#10720#10432
21M → 35K1843+181#10432#10251
35K → 23M288*23+265#10251#9986
23M → 24M174*17+157#9986#9829
24M → 40K15617+139#9829#9690
40K → 25.2M5338+15#9690#9675
25.2M → Finish10139+62#9675#9613
TOTALS3956*671+3285

* 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