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BOSTON MARATHON 2024

Rachel Polsley

Bib: 16309•F

IN

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 40%
Gender (Female)
#0 / 10924
Top 25%
Division (F18-39)
#0 / 4660
Top 41%
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
7:34/mi
23:32
↑ 97↓ 3451.5%
10K· 6.21 mi
7:19/mi
46:17
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:09:15
↑ 67↓ 78
20K· 12.43 mi
7:46/mi
1:33:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:38:36
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
1:58:20
↑ 66↓ 880.2%
30K· 18.64 mi
8:29/mi
2:24:40
↑ 181↓ 1480.2%
20M
8:47/mi
2:36:36
↑ 64↓ 500.2%
21M
9:51/mi
2:46:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:53/mi
2:52:21
↑ 17↓ 861.7%
23M
8:38/mi
3:03:10
↑ 23↓ 630.6%
24M
9:12/mi
3:12:22
↓ 821.3%
40K· 24.85 mi
9:06/mi
3:20:09
↓ 200.3%
25.2M
10:44/mi
3:23:51
↑ 13↓ 160.2%
Finish· 26.22 mi
8:29/mi
3:32:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:36
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:53:54
Pace8:41 /mi
📊Positive Split: 15.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5923:327:3423:32
7:34
-
10K
6.21 mi11:36:4446:177:2722:45
7:19
-0:15
15K
9.32 mi11:59:421:09:157:2622:58
7:24
+0:05
20K
12.43 mi12:23:501:33:237:3124:08
7:46
+0:22
Half
13.11 mi12:29:031:38:367:315:13
7:39
-0:07
25K
15.53 mi12:48:471:58:207:3719:44
8:08
+0:29
30K
18.64 mi13:15:072:24:407:4626:20
8:29
+0:21
20M
20.00 mi13:27:032:36:367:5011:56
8:47
+0:18
21M
21.00 mi13:36:542:46:277:569:51
9:51
+1:04
35K
21.75 mi13:42:482:52:217:555:54
7:53
-1:58
23M
23.00 mi13:53:373:03:107:5810:49
8:38
+0:45
24M
24.00 mi14:02:493:12:228:019:12
9:12
+0:34
40K
24.85 mi14:10:363:20:098:037:47
9:06
-0:06
25.2M
25.20 mi14:14:183:23:518:053:42
10:44
+1:38
Finish
26.22 mi14:22:573:32:308:078:39
8:29
-2:15

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

7:19 /mi

Average Pace

8:07 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:30

49% of race

Time at Steady Pace

1:17:28

36% of race

Time at Slower Pace

30:32

14% of race

Average Pace: 8:06 /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 mi11:13:5923:327:3423:32
7:34
#11372
10K
6.21 mi11:36:4446:177:2722:45
7:19
#10038
15K
9.32 mi11:59:421:09:157:2622:58
7:24
#9583
20K
12.43 mi12:23:501:33:237:3124:08
7:46
#9738
Half
13.11 mi12:29:031:38:367:315:13
7:39
#9746
25K
15.53 mi12:48:471:58:207:3719:44
8:08
#9919
30K
18.64 mi13:15:072:24:407:4626:20
8:29
#9987
20M
20.00 mi13:27:032:36:367:5011:56
8:47
#9993
21M
21.00 mi13:36:542:46:277:569:51
9:51
#10128
35K
21.75 mi13:42:482:52:217:555:54
7:53
#9967
23M
23.00 mi13:53:373:03:107:5810:49
8:38
#9875
24M
24.00 mi14:02:493:12:228:019:12
9:12
#10020
40K
24.85 mi14:10:363:20:098:037:47
9:06
#10069
25.2M
25.20 mi14:14:183:23:518:053:42
10:44
#10138
Finish
26.22 mi14:22:573:32:308:078:39
8:29
#10163
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11372277027708855(Top 35%)1629(Top 15%)1629(Top 35%)
10K6.21 mi3.10 mi10038+13342063+7072063+7078864(Top 35%)1583(Top 14%)1583(Top 34%)
15K9.32 mi3.11 mi9583+4551901+1621901+1628855(Top 35%)1629(Top 15%)1629(Top 35%)
20K12.43 mi3.11 mi9738-1552013-1122013-11210213(Top 40%)2435(Top 22%)2435(Top 52%)
Half13.11 mi0.68 mi9746-82028-152028-1510260(Top 40%)2439(Top 22%)2439(Top 52%)
25K15.53 mi2.42 mi9919-1732181-1532181-15311024(Top 43%)2973(Top 27%)2973(Top 64%)
30K18.64 mi3.11 mi9987-682314-1332314-13310538(Top 41%)2954(Top 27%)2954(Top 63%)
20M20.00 mi1.36 mi9993-62374-602374-6010990(Top 43%)3463(Top 32%)3463(Top 74%)
21M21.00 mi1.00 mi10128-1352497-1232497-12312348(Top 48%)4429(Top 41%)4429(Top 95%)
35K21.75 mi0.75 mi9967+1612454+432454+437138(Top 28%)1826(Top 17%)1826(Top 39%)
23M23.00 mi1.25 mi9875+922473-192473-199223(Top 36%)2988(Top 27%)2988(Top 64%)
24M24.00 mi1.00 mi10020-1452577-1042577-10413105(Top 51%)4971(Top 46%)4971(Top 107%)
40K24.85 mi0.85 mi10069-492650-732650-7311357(Top 44%)4215(Top 39%)4215(Top 90%)
25.2M25.20 mi0.35 mi10138-692705-552705-5513620(Top 53%)5354(Top 49%)5354(Top 115%)
Finish26.22 mi1.02 mi10163-252754-492754-4911454(Top 45%)4195(Top 38%)4195(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

8855

Females

1629

F18-39

1629

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

8864

Females

1583

F18-39

1583

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

8855

Females

1629

F18-39

1629

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10213

Females

2435

F18-39

2435

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10260

Females

2439

F18-39

2439

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11024

Females

2973

F18-39

2973

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10538

Females

2954

F18-39

2954

30K→20M

18.6 - 20.0 mi

Top 43%
×5story building
+64ft-50ft

Overall

10990

Females

3463

F18-39

3463

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12348

Females

4429

F18-39

4429

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7138

Females

1826

F18-39

1826

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9223

Females

2988

F18-39

2988

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13105

Females

4971

F18-39

4971

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11357

Females

4215

F18-39

4215

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

13620

Females

5354

F18-39

5354

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11454

Females

4195

F18-39

4195

Passing Analysis

Category:
Athletes Passed
3252*
Passed By
2038
Net Change
+1209
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11372
5K → 10K1344*10+1334#11372#10038
10K → 15K483*28+455#10038#9583
15K → 20K176331-155#9583#9738
20K → Half3240-8#9738#9746
Half → 25K161333-173#9746#9919
25K → 30K255322-68#9919#9987
30K → 20M135140-6#9987#9993
20M → 21M92225-135#9993#10128
21M → 35K171*10+161#10128#9967
35K → 23M17583+92#9967#9875
23M → 24M62207-145#9875#10020
24M → 40K72121-49#10020#10069
40K → 25.2M2190-69#10069#10138
25.2M → Finish7398-25#10138#10163
TOTALS3252*2038+1209

* 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