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BOSTON MARATHON 2023

Casey Fleming

Bib: 11862•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 36%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:38
Rank: #10608
Start → 5K
23:38 | 7:36/mi
10K· 6.21 mi
47:01
Rank: #10622 (-14)
5K → 10K
23:23 | 7:32/mi
15K· 9.32 mi
1:10:24
Rank: #10531 (+91)
10K → 15K
23:23 | 7:32/mi
20K· 12.43 mi
1:34:26
Rank: #10704 (-173)
15K → 20K
24:02 | 7:44/mi
Half· 13.11 mi
1:39:43
Rank: #10776 (-72)
20K → Half
5:17 | 7:44/mi
25K· 15.53 mi
1:58:28
Rank: #10705 (+71)
Half → 25K
18:45 | 7:44/mi
30K· 18.64 mi
2:23:33
Rank: #10787 (-82)
25K → 30K
25:05 | 8:04/mi
20M
2:34:22
Rank: #10707 (+80)
30K → 20M
10:49 | 7:58/mi
21M
2:42:54
Rank: #10672 (+35)
20M → 21M
8:32 | 8:32/mi
35K· 21.75 mi
2:48:47
Rank: #10662 (+10)
21M → 35K
5:53 | 7:52/mi
23M
2:58:43
Rank: #10566 (+96)
35K → 23M
9:56 | 7:56/mi
24M
3:06:32
Rank: #10521 (+45)
23M → 24M
7:49 | 7:49/mi
40K· 24.85 mi
3:13:28
Rank: #10511 (+10)
24M → 40K
6:56 | 8:07/mi
25.2M
3:16:16
Rank: #10436 (+75)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:24:32
Rank: #10520 (-84)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:43
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:44:49
Pace8:00 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3523:387:3623:38
7:36
-
10K
6.21 mi11:13:5847:017:3423:23
7:32
-0:04
15K
9.32 mi11:37:211:10:247:3323:23
7:32
0:00
20K
12.43 mi12:01:231:34:267:3624:02
7:44
+0:12
Half
13.11 mi12:06:401:39:437:365:17
7:44
0:00
25K
15.53 mi12:25:251:58:287:3818:45
7:44
0:00
30K
18.64 mi12:50:302:23:337:4225:05
8:04
+0:20
20M
20.00 mi13:01:192:34:227:4310:49
7:58
-0:06
21M
21.00 mi13:09:512:42:547:458:32
8:32
+0:34
35K
21.75 mi13:15:442:48:477:465:53
7:52
-0:40
23M
23.00 mi13:25:402:58:437:469:56
7:56
+0:04
24M
24.00 mi13:33:293:06:327:467:49
7:49
-0:07
40K
24.85 mi13:40:253:13:287:476:56
8:07
+0:18
25.2M
25.20 mi13:43:133:16:167:472:48
8:07
0:00
Finish
26.22 mi13:51:293:24:327:488:16
8:07
0:00

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

7:32 /mi

Average Pace

7:48 /mi

Slowest Pace

8:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:00

96% of race

Time at Steady Pace

8:32

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:48 /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 mi10:50:3523:387:3623:38
7:36
#10608
10K
6.21 mi11:13:5847:017:3423:23
7:32
#10622
15K
9.32 mi11:37:211:10:247:3323:23
7:32
#10531
20K
12.43 mi12:01:231:34:267:3624:02
7:44
#10704
Half
13.11 mi12:06:401:39:437:365:17
7:44
#10776
25K
15.53 mi12:25:251:58:287:3818:45
7:44
#10705
30K
18.64 mi12:50:302:23:337:4225:05
8:04
#10787
20M
20.00 mi13:01:192:34:227:4310:49
7:58
#10707
21M
21.00 mi13:09:512:42:547:458:32
8:32
#10672
35K
21.75 mi13:15:442:48:477:465:53
7:52
#10662
23M
23.00 mi13:25:402:58:437:469:56
7:56
#10566
24M
24.00 mi13:33:293:06:327:467:49
7:49
#10521
40K
24.85 mi13:40:253:13:287:476:56
8:07
#10511
25.2M
25.20 mi13:43:133:16:167:472:48
8:07
#10436
Finish
26.22 mi13:51:293:24:327:488:16
8:07
#10520
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi106082141214110401(Top 39%)2028(Top 18%)2028(Top 42%)
10K6.21 mi3.10 mi10622-142132+92132+910682(Top 40%)2146(Top 19%)2146(Top 44%)
15K9.32 mi3.11 mi10531+912080+522080+5210401(Top 39%)2028(Top 18%)2028(Top 42%)
20K12.43 mi3.11 mi10704-1732193-1132193-11311217(Top 42%)2527(Top 22%)2527(Top 52%)
Half13.11 mi0.68 mi10776-722234-412234-4112155(Top 46%)3029(Top 27%)3029(Top 62%)
25K15.53 mi2.42 mi10705+712202+322202+3210577(Top 40%)2272(Top 20%)2272(Top 47%)
30K18.64 mi3.11 mi10787-822291-892291-8911465(Top 43%)2879(Top 25%)2879(Top 59%)
20M20.00 mi1.36 mi10707+802285+62285+610000(Top 38%)2231(Top 20%)2231(Top 46%)
21M21.00 mi1.00 mi10672+352287-22287-210687(Top 40%)2713(Top 24%)2713(Top 56%)
35K21.75 mi0.75 mi10662+102308-212308-2111154(Top 42%)2941(Top 26%)2941(Top 60%)
23M23.00 mi1.25 mi10566+962286+222286+229330(Top 35%)2190(Top 19%)2190(Top 45%)
24M24.00 mi1.00 mi10521+452293-72293-79948(Top 37%)2566(Top 22%)2566(Top 53%)
40K24.85 mi0.85 mi10511+102317-242317-2410783(Top 41%)3031(Top 27%)3031(Top 62%)
25.2M25.20 mi0.35 mi10436+752291+262291+267058(Top 27%)1478(Top 13%)1478(Top 30%)
Finish26.22 mi1.02 mi10520-842358-672358-6712921(Top 49%)4188(Top 37%)4188(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10401

Females

2028

F18-39

2028

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10682

Females

2146

F18-39

2146

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10401

Females

2028

F18-39

2028

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11217

Females

2527

F18-39

2527

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12155

Females

3029

F18-39

3029

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10577

Females

2272

F18-39

2272

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11465

Females

2879

F18-39

2879

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10000

Females

2231

F18-39

2231

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10687

Females

2713

F18-39

2713

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11154

Females

2941

F18-39

2941

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9330

Females

2190

F18-39

2190

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9948

Females

2566

F18-39

2566

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10783

Females

3031

F18-39

3031

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7058

Females

1478

F18-39

1478

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

12921

Females

4188

F18-39

4188

Passing Analysis

Category:
Athletes Passed
1618*
Passed By
1530
Net Change
+88
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10608
5K → 10K275*289-14#10608#10622
10K → 15K244153+91#10622#10531
15K → 20K92265-173#10531#10704
20K → Half880-72#10704#10776
Half → 25K15988+71#10776#10705
25K → 30K161243-82#10705#10787
30K → 20M118*38+80#10787#10707
20M → 21M8348+35#10707#10672
21M → 35K5747+10#10672#10662
35K → 23M13337+96#10662#10566
23M → 24M8843+45#10566#10521
24M → 40K7262+10#10521#10511
40K → 25.2M794+75#10511#10436
25.2M → Finish49133-84#10436#10520
TOTALS1618*1530+88

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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