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BOSTON MARATHON 2024

Jill Stockford

Bib: 22175•F

MI

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:27
Rank: #19439
Start → 5K
27:27 | 8:50/mi
10K· 6.21 mi
55:15
Rank: #19456 (-17)
5K → 10K
27:48 | 8:57/mi
15K· 9.32 mi
1:24:11
Rank: #19693 (-237)
10K → 15K
28:56 | 9:19/mi
20K· 12.43 mi
1:52:51
Rank: #19296 (+397)
15K → 20K
28:40 | 9:14/mi
Half· 13.11 mi
1:58:59
Rank: #19247 (+49)
20K → Half
6:08 | 8:59/mi
25K· 15.53 mi
2:23:15
Rank: #19244 (+3)
Half → 25K
24:16 | 10:01/mi
30K· 18.64 mi
2:53:07
Rank: #18593 (+651)
25K → 30K
29:52 | 9:37/mi
20M
3:06:29
Rank: #18392 (+201)
30K → 20M
13:22 | 9:50/mi
21M
3:17:38
Rank: #18282 (+110)
20M → 21M
11:09 | 11:09/mi
35K· 21.75 mi
3:24:36
Rank: #18143 (+139)
21M → 35K
6:58 | 9:19/mi
23M
3:38:06
Rank: #18087 (+56)
35K → 23M
13:30 | 10:47/mi
24M
3:48:44
Rank: #18090 (-3)
23M → 24M
10:38 | 10:38/mi
40K· 24.85 mi
3:57:46
Rank: #18034 (+56)
24M → 40K
9:02 | 10:34/mi
25.2M
4:01:40
Rank: #17978 (+56)
40K → 25.2M
3:54 | 11:19/mi
Finish· 26.22 mi
4:10:48
Rank: #17816 (+162)
25.2M → Finish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:59
Pace9:05 /mi
2nd Half
Distance13.11 mi
Time2:11:49
Pace10:03 /mi
📊Positive Split: 10.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:5927:278:5027:27
8:50
-
10K
6.21 mi11:52:4755:158:5327:48
8:57
+0:07
15K
9.32 mi12:21:431:24:119:0228:56
9:19
+0:22
20K
12.43 mi12:50:231:52:519:0528:40
9:14
-0:05
Half
13.11 mi12:56:311:58:599:056:08
8:59
-0:15
25K
15.53 mi13:20:472:23:159:1324:16
10:01
+1:02
30K
18.64 mi13:50:392:53:079:1729:52
9:37
-0:24
20M
20.00 mi14:04:013:06:299:1913:22
9:50
+0:13
21M
21.00 mi14:15:103:17:389:2511:09
11:09
+1:19
35K
21.75 mi14:22:083:24:369:246:58
9:19
-1:50
23M
23.00 mi14:35:383:38:069:2913:30
10:47
+1:28
24M
24.00 mi14:46:163:48:449:3210:38
10:38
-0:09
40K
24.85 mi14:55:183:57:469:349:02
10:34
-0:04
25.2M
25.20 mi14:59:124:01:409:353:54
11:19
+0:45
Finish
26.22 mi15:08:204:10:489:349:08
8:58
-2:21

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

8:50 /mi

Average Pace

9:34 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:31

28% of race

Time at Steady Pace

2:12:04

53% of race

Time at Slower Pace

48:13

19% of race

Average Pace: 9:34 /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 mi11:24:5927:278:5027:27
8:50
#19439
10K
6.21 mi11:52:4755:158:5327:48
8:57
#19456
15K
9.32 mi12:21:431:24:119:0228:56
9:19
#19693
20K
12.43 mi12:50:231:52:519:0528:40
9:14
#19296
Half
13.11 mi12:56:311:58:599:056:08
8:59
#19247
25K
15.53 mi13:20:472:23:159:1324:16
10:01
#19244
30K
18.64 mi13:50:392:53:079:1729:52
9:37
#18593
20M
20.00 mi14:04:013:06:299:1913:22
9:50
#18392
21M
21.00 mi14:15:103:17:389:2511:09
11:09
#18282
35K
21.75 mi14:22:083:24:369:246:58
9:19
#18143
23M
23.00 mi14:35:383:38:069:2913:30
10:47
#18087
24M
24.00 mi14:46:163:48:449:3210:38
10:38
#18090
40K
24.85 mi14:55:183:57:469:349:02
10:34
#18034
25.2M
25.20 mi14:59:124:01:409:353:54
11:19
#17978
Finish
26.22 mi15:08:204:10:489:349:08
8:58
#17816
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi194397596759620061(Top 79%)7821(Top 72%)7821(Top 659%)
10K6.21 mi3.10 mi19456-177563+337563+3319541(Top 76%)7585(Top 69%)7585(Top 639%)
15K9.32 mi3.11 mi19693-2377677-1147677-11420061(Top 79%)7821(Top 72%)7821(Top 659%)
20K12.43 mi3.11 mi19296+3977458+2197458+21918293(Top 72%)6871(Top 63%)6871(Top 579%)
Half13.11 mi0.68 mi19247+497439+197439+1918252(Top 71%)6922(Top 63%)6922(Top 583%)
25K15.53 mi2.42 mi19244+37434+57434+519141(Top 75%)7452(Top 68%)7452(Top 628%)
30K18.64 mi3.11 mi18593+6517163+2717163+27115903(Top 62%)5916(Top 54%)5916(Top 498%)
20M20.00 mi1.36 mi18392+2017083+807083+8015913(Top 62%)6167(Top 56%)6167(Top 520%)
21M21.00 mi1.00 mi18282+1107035+487035+4816742(Top 66%)6725(Top 62%)6725(Top 567%)
35K21.75 mi0.75 mi18143+1396975+606975+6014803(Top 58%)5751(Top 53%)5751(Top 484%)
23M23.00 mi1.25 mi18087+566974+16974+117797(Top 70%)7311(Top 67%)7311(Top 616%)
24M24.00 mi1.00 mi18090-37004-307004-3018252(Top 71%)7589(Top 69%)7589(Top 639%)
40K24.85 mi0.85 mi18034+567002+27002+216886(Top 66%)6965(Top 64%)6965(Top 587%)
25.2M25.20 mi0.35 mi17978+566982+206982+2015546(Top 61%)6318(Top 58%)6318(Top 532%)
Finish26.22 mi1.02 mi17816+1626921+616921+6114040(Top 55%)5507(Top 50%)5507(Top 464%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20061

Females

7821

F50-54

7821

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

19541

Females

7585

F50-54

7585

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20061

Females

7821

F50-54

7821

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

18293

Females

6871

F50-54

6871

20K→Half

12.4 - 13.1 mi

Top 71%
×2stories
+19ft-37ft

Overall

18252

Females

6922

F50-54

6922

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19141

Females

7452

F50-54

7452

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

15903

Females

5916

F50-54

5916

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

15913

Females

6167

F50-54

6167

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

16742

Females

6725

F50-54

6725

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

14803

Females

5751

F50-54

5751

35K→23M

21.8 - 23.0 mi

Top 70%
×5stories
+23ft-63ft

Overall

17797

Females

7311

F50-54

7311

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18252

Females

7589

F50-54

7589

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

16886

Females

6965

F50-54

6965

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15546

Females

6318

F50-54

6318

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14040

Females

5507

F50-54

5507

Passing Analysis

Category:
Athletes Passed
2788
Passed By
1165
Net Change
+1623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19439
5K → 10K241258-17#19439#19456
10K → 15K149386-237#19456#19693
15K → 20K45356+397#19693#19296
20K → Half6415+49#19296#19247
Half → 25K194191+3#19247#19244
25K → 30K66514+651#19244#18593
30K → 20M21716+201#18593#18392
20M → 21M15242+110#18392#18282
21M → 35K1434+139#18282#18143
35K → 23M12266+56#18143#18087
23M → 24M7174-3#18087#18090
24M → 40K9034+56#18090#18034
40K → 25.2M615+56#18034#17978
25.2M → Finish1664+162#17978#17816
TOTALS27881165+1623
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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