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BOSTON MARATHON 2024

Cher Duffield

Bib: 20572•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 49%
Gender (Female)
#0 / 10924
Top 36%
Masters (Masters Women)
#0 / 6263
Top 24%
Division (F50-54)
#0 / 1187
Top 17%
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
7:51/mi
24:24
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
48:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:12:54
↑ 67↓ 78
20K· 12.43 mi
8:02/mi
1:37:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:08/mi
1:43:26
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:03:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:49/mi
2:31:07
↑ 181↓ 1480.2%
20M
8:59/mi
2:43:20
↑ 64↓ 500.2%
21M
9:40/mi
2:53:00
↑ 106↓ 241.6%
35K· 21.75 mi
8:45/mi
2:59:33
↑ 17↓ 861.7%
23M
9:18/mi
3:11:12
↑ 23↓ 630.6%
24M
9:01/mi
3:20:13
↓ 821.3%
40K· 24.85 mi
9:47/mi
3:28:35
↓ 200.3%
25.2M
11:10/mi
3:32:26
↑ 13↓ 160.2%
Finish· 26.22 mi
9:32/mi
3:42:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:26
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:58:43
Pace9:03 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0124:247:5124:24
7:51
-
10K
6.21 mi11:43:1848:417:5024:17
7:49
-0:02
15K
9.32 mi12:07:311:12:547:4924:13
7:48
-0:01
20K
12.43 mi12:32:301:37:537:5324:59
8:02
+0:14
Half
13.11 mi12:38:031:43:267:535:33
8:08
+0:06
25K
15.53 mi12:58:212:03:447:5820:18
8:22
+0:14
30K
18.64 mi13:25:442:31:078:0627:23
8:49
+0:27
20M
20.00 mi13:37:572:43:208:1012:13
8:59
+0:10
21M
21.00 mi13:47:372:53:008:149:40
9:40
+0:41
35K
21.75 mi13:54:102:59:338:156:33
8:45
-0:55
23M
23.00 mi14:05:493:11:128:1911:39
9:18
+0:33
24M
24.00 mi14:14:503:20:138:219:01
9:01
-0:17
40K
24.85 mi14:23:123:28:358:248:22
9:47
+0:46
25.2M
25.20 mi14:27:033:32:268:263:51
11:10
+1:23
Finish
26.22 mi14:36:463:42:098:299:43
9:32
-1:38

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

7:48 /mi

Average Pace

8:29 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:26

47% of race

Time at Steady Pace

1:15:28

34% of race

Time at Slower Pace

43:15

19% of race

Average Pace: 8:28 /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 mi11:19:0124:247:5124:24
7:51
#13524
10K
6.21 mi11:43:1848:417:5024:17
7:49
#13117
15K
9.32 mi12:07:311:12:547:4924:13
7:48
#12699
20K
12.43 mi12:32:301:37:537:5324:59
8:02
#12477
Half
13.11 mi12:38:031:43:267:535:33
8:08
#12521
25K
15.53 mi12:58:212:03:447:5820:18
8:22
#12449
30K
18.64 mi13:25:442:31:078:0627:23
8:49
#12403
20M
20.00 mi13:37:572:43:208:1012:13
8:59
#12310
21M
21.00 mi13:47:372:53:008:149:40
9:40
#12231
35K
21.75 mi13:54:102:59:338:156:33
8:45
#12191
23M
23.00 mi14:05:493:11:128:1911:39
9:18
#12185
24M
24.00 mi14:14:503:20:138:219:01
9:01
#12154
40K
24.85 mi14:23:123:28:358:248:22
9:47
#12228
25.2M
25.20 mi14:27:033:32:268:263:51
11:10
#12281
Finish
26.22 mi14:36:463:42:098:299:43
9:32
#12455
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi135244015401511892(Top 47%)3185(Top 29%)3185(Top 268%)
10K6.21 mi3.10 mi13117+4073797+2183797+21812808(Top 50%)3656(Top 33%)3656(Top 308%)
15K9.32 mi3.11 mi12699+4183581+2163581+21611892(Top 47%)3185(Top 29%)3185(Top 268%)
20K12.43 mi3.11 mi12477+2223470+1113470+11112137(Top 48%)3394(Top 31%)3394(Top 286%)
Half13.11 mi0.68 mi12521-443508-383508-3813640(Top 53%)4269(Top 39%)4269(Top 360%)
25K15.53 mi2.42 mi12449+723505+33505+312385(Top 48%)3718(Top 34%)3718(Top 313%)
30K18.64 mi3.11 mi12403+463578-733578-7312266(Top 48%)3876(Top 35%)3876(Top 327%)
20M20.00 mi1.36 mi12310+933575+33575+312090(Top 47%)4071(Top 37%)4071(Top 343%)
21M21.00 mi1.00 mi12231+793601-263601-2611565(Top 45%)4036(Top 37%)4036(Top 340%)
35K21.75 mi0.75 mi12191+403614-133614-1312122(Top 47%)4349(Top 40%)4349(Top 366%)
23M23.00 mi1.25 mi12185+63678-643678-6412627(Top 49%)4726(Top 43%)4726(Top 398%)
24M24.00 mi1.00 mi12154+313712-343712-3412258(Top 48%)4544(Top 42%)4544(Top 383%)
40K24.85 mi0.85 mi12228-743789-773789-7714219(Top 56%)5628(Top 52%)5628(Top 474%)
25.2M25.20 mi0.35 mi12281-533844-553844-5515027(Top 59%)6036(Top 55%)6036(Top 509%)
Finish26.22 mi1.02 mi12455-1743976-1323976-13216689(Top 65%)6852(Top 63%)6852(Top 577%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

11892

Females

3185

F50-54

3185

5K→10K

3.1 - 6.2 mi

Top 50%
×5story building
+79ft-138ft

Overall

12808

Females

3656

F50-54

3656

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

11892

Females

3185

F50-54

3185

15K→20K

9.3 - 12.4 mi

Top 48%
×5story building
+106ft-86ft

Overall

12137

Females

3394

F50-54

3394

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

13640

Females

4269

F50-54

4269

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12385

Females

3718

F50-54

3718

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12266

Females

3876

F50-54

3876

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12090

Females

4071

F50-54

4071

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

11565

Females

4036

F50-54

4036

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12122

Females

4349

F50-54

4349

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12627

Females

4726

F50-54

4726

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12258

Females

4544

F50-54

4544

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14219

Females

5628

F50-54

5628

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15027

Females

6036

F50-54

6036

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

16689

Females

6852

F50-54

6852

Passing Analysis

Category:
Athletes Passed
2795
Passed By
1726
Net Change
+1069
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13524
5K → 10K525118+407#13524#13117
10K → 15K47557+418#13117#12699
15K → 20K354132+222#12699#12477
20K → Half3276-44#12477#12521
Half → 25K274202+72#12521#12449
25K → 30K320274+46#12449#12403
30K → 20M17986+93#12403#12310
20M → 21M17091+79#12310#12231
21M → 35K9858+40#12231#12191
35K → 23M132126+6#12191#12185
23M → 24M11988+31#12185#12154
24M → 40K55129-74#12154#12228
40K → 25.2M3184-53#12228#12281
25.2M → Finish31205-174#12281#12455
TOTALS27951726+1069
📊

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