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BOSTON MARATHON 2023

Jill Burns

Bib: 20685•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Masters (Masters Women)
#0 / 6539
Top 22%
Division (F40-44)
#0 / 1878
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:50
Rank: #16259
Start → 5K
25:50 | 8:19/mi
10K· 6.21 mi
50:46
Rank: #15623 (+636)
5K → 10K
24:56 | 8:02/mi
15K· 9.32 mi
1:15:30
Rank: #15121 (+502)
10K → 15K
24:44 | 7:58/mi
20K· 12.43 mi
1:40:32
Rank: #14788 (+333)
15K → 20K
25:02 | 8:03/mi
Half· 13.11 mi
1:45:57
Rank: #14747 (+41)
20K → Half
5:25 | 7:56/mi
25K· 15.53 mi
2:05:38
Rank: #14565 (+182)
Half → 25K
19:41 | 8:07/mi
30K· 18.64 mi
2:31:29
Rank: #14298 (+267)
25K → 30K
25:51 | 8:19/mi
20M
2:42:57
Rank: #14206 (+92)
30K → 20M
11:28 | 8:26/mi
21M
2:51:57
Rank: #14123 (+83)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:58:02
Rank: #14059 (+64)
21M → 35K
6:05 | 8:08/mi
23M
3:08:34
Rank: #13952 (+107)
35K → 23M
10:32 | 8:25/mi
24M
3:16:49
Rank: #13883 (+69)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:23:49
Rank: #13775 (+108)
24M → 40K
7:00 | 8:11/mi
25.2M
3:26:52
Rank: #13730 (+45)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:35:02
Rank: #13636 (+94)
25.2M → Finish
8:10 | 8:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:57
Pace8:05 /mi
2nd Half
Distance13.11 mi
Time1:49:05
Pace8:19 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0825:508:1925:50
8:19
-
10K
6.21 mi11:43:0450:468:1024:56
8:02
-0:17
15K
9.32 mi12:07:481:15:308:0624:44
7:58
-0:04
20K
12.43 mi12:32:501:40:328:0525:02
8:03
+0:05
Half
13.11 mi12:38:151:45:578:055:25
7:56
-0:07
25K
15.53 mi12:57:562:05:388:0519:41
8:07
+0:11
30K
18.64 mi13:23:472:31:298:0825:51
8:19
+0:12
20M
20.00 mi13:35:152:42:578:0911:28
8:26
+0:07
21M
21.00 mi13:44:152:51:578:119:00
9:00
+0:34
35K
21.75 mi13:50:202:58:028:116:05
8:08
-0:52
23M
23.00 mi14:00:523:08:348:1210:32
8:25
+0:17
24M
24.00 mi14:09:073:16:498:128:15
8:15
-0:10
40K
24.85 mi14:16:073:23:498:127:00
8:11
-0:04
25.2M
25.20 mi14:19:103:26:528:133:03
8:51
+0:40
Finish
26.22 mi14:27:203:35:028:128:10
8:01
-0:50

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

7:56 /mi

Average Pace

8:12 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:22:59

94% of race

Time at Steady Pace

12:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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 mi11:18:0825:508:1925:50
8:19
#16259
10K
6.21 mi11:43:0450:468:1024:56
8:02
#15623
15K
9.32 mi12:07:481:15:308:0624:44
7:58
#15121
20K
12.43 mi12:32:501:40:328:0525:02
8:03
#14788
Half
13.11 mi12:38:151:45:578:055:25
7:56
#14747
25K
15.53 mi12:57:562:05:388:0519:41
8:07
#14565
30K
18.64 mi13:23:472:31:298:0825:51
8:19
#14298
20M
20.00 mi13:35:152:42:578:0911:28
8:26
#14206
21M
21.00 mi13:44:152:51:578:119:00
9:00
#14123
35K
21.75 mi13:50:202:58:028:116:05
8:08
#14059
23M
23.00 mi14:00:523:08:348:1210:32
8:25
#13952
24M
24.00 mi14:09:073:16:498:128:15
8:15
#13883
40K
24.85 mi14:16:073:23:498:127:00
8:11
#13775
25.2M
25.20 mi14:19:103:26:528:133:03
8:51
#13730
Finish
26.22 mi14:27:203:35:028:128:10
8:01
#13636
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi162595440544014079(Top 53%)4129(Top 36%)4129(Top 220%)
10K6.21 mi3.10 mi15623+6365047+3935047+39314998(Top 56%)4671(Top 41%)4671(Top 249%)
15K9.32 mi3.11 mi15121+5024738+3094738+30914079(Top 53%)4129(Top 36%)4129(Top 220%)
20K12.43 mi3.11 mi14788+3334547+1914547+19113909(Top 52%)4056(Top 36%)4056(Top 216%)
Half13.11 mi0.68 mi14747+414525+224525+2213939(Top 52%)4048(Top 35%)4048(Top 216%)
25K15.53 mi2.42 mi14565+1824446+794446+7913634(Top 51%)4001(Top 35%)4001(Top 213%)
30K18.64 mi3.11 mi14298+2674331+1154331+11513158(Top 49%)3846(Top 34%)3846(Top 205%)
20M20.00 mi1.36 mi14206+924297+344297+3413270(Top 50%)4002(Top 35%)4002(Top 213%)
21M21.00 mi1.00 mi14123+834265+324265+3213425(Top 50%)4170(Top 37%)4170(Top 222%)
35K21.75 mi0.75 mi14059+644236+294236+2913040(Top 49%)4026(Top 35%)4026(Top 214%)
23M23.00 mi1.25 mi13952+1074198+384198+3812686(Top 48%)3899(Top 34%)3899(Top 208%)
24M24.00 mi1.00 mi13883+694187+114187+1112961(Top 49%)4113(Top 36%)4113(Top 219%)
40K24.85 mi0.85 mi13775+1084127+604127+6011318(Top 43%)3327(Top 29%)3327(Top 177%)
25.2M25.20 mi0.35 mi13730+454108+194108+1911676(Top 44%)3572(Top 31%)3572(Top 190%)
Finish26.22 mi1.02 mi13636+944071+374071+3712261(Top 46%)3845(Top 34%)3845(Top 205%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21stories
+97ft-345ft

Overall

14079

Females

4129

F40-44

4129

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14998

Females

4671

F40-44

4671

10K→15K

6.2 - 9.3 mi

Top 53%
×3stories
+67ft-78ft

Overall

14079

Females

4129

F40-44

4129

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13909

Females

4056

F40-44

4056

20K→Half

12.4 - 13.1 mi

Top 52%
×2stories
+19ft-37ft

Overall

13939

Females

4048

F40-44

4048

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13634

Females

4001

F40-44

4001

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13158

Females

3846

F40-44

3846

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13270

Females

4002

F40-44

4002

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13425

Females

4170

F40-44

4170

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13040

Females

4026

F40-44

4026

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12686

Females

3899

F40-44

3899

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12961

Females

4113

F40-44

4113

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11318

Females

3327

F40-44

3327

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11676

Females

3572

F40-44

3572

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12261

Females

3845

F40-44

3845

Passing Analysis

Category:
Athletes Passed
3142
Passed By
519
Net Change
+2623
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16259
5K → 10K73296+636#16259#15623
10K → 15K53028+502#15623#15121
15K → 20K37441+333#15121#14788
20K → Half5211+41#14788#14747
Half → 25K24462+182#14747#14565
25K → 30K31952+267#14565#14298
30K → 20M13341+92#14298#14206
20M → 21M12845+83#14206#14123
21M → 35K8117+64#14123#14059
35K → 23M14538+107#14059#13952
23M → 24M9829+69#13952#13883
24M → 40K12618+108#13883#13775
40K → 25.2M5611+45#13775#13730
25.2M → Finish12430+94#13730#13636
TOTALS3142519+2623
📊

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