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BOSTON MARATHON 2023

Kelsey Jones

Bib: 11281•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
7:24/mi
22:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
45:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:08:01
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:31:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:36:37
↑ 19↓ 370.5%
25K· 15.53 mi
7:44/mi
1:55:23
↑ 66↓ 880.2%
30K· 18.64 mi
8:18/mi
2:21:09
↑ 181↓ 1480.2%
20M
8:41/mi
2:32:57
↑ 64↓ 500.2%
21M
9:28/mi
2:42:25
↑ 106↓ 241.6%
35K· 21.75 mi
8:48/mi
2:49:00
↑ 17↓ 861.7%
23M
8:59/mi
3:00:15
↑ 23↓ 630.6%
24M
8:52/mi
3:09:07
↓ 821.3%
40K· 24.85 mi
9:07/mi
3:16:55
↓ 200.3%
25.2M
9:43/mi
3:20:16
↑ 13↓ 160.2%
Finish· 26.22 mi
8:43/mi
3:29:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:37
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:52:32
Pace8:35 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3622:597:2422:59
7:24
-
10K
6.21 mi11:12:0145:247:1822:25
7:13
-0:11
15K
9.32 mi11:34:381:08:017:1822:37
7:17
+0:04
20K
12.43 mi11:58:011:31:247:2123:23
7:32
+0:15
Half
13.11 mi12:03:141:36:377:225:13
7:39
+0:07
25K
15.53 mi12:22:001:55:237:2618:46
7:44
+0:05
30K
18.64 mi12:47:462:21:097:3425:46
8:18
+0:34
20M
20.00 mi12:59:342:32:577:3911:48
8:41
+0:23
21M
21.00 mi13:09:022:42:257:449:28
9:28
+0:47
35K
21.75 mi13:15:372:49:007:466:35
8:48
-0:40
23M
23.00 mi13:26:523:00:157:5011:15
8:59
+0:11
24M
24.00 mi13:35:443:09:077:538:52
8:52
-0:07
40K
24.85 mi13:43:323:16:557:557:48
9:07
+0:15
25.2M
25.20 mi13:46:533:20:167:573:21
9:43
+0:36
Finish
26.22 mi13:55:463:29:097:598:53
8:43
-1:00

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

7:13 /mi

Average Pace

7:59 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:23

55% of race

Time at Steady Pace

1:13:09

35% of race

Time at Slower Pace

20:37

10% of race

Average Pace: 7:59 /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 mi10:49:3622:597:2422:59
7:24
#8826
10K
6.21 mi11:12:0145:247:1822:25
7:13
#8495
15K
9.32 mi11:34:381:08:017:1822:37
7:17
#8452
20K
12.43 mi11:58:011:31:247:2123:23
7:32
#8668
Half
13.11 mi12:03:141:36:377:225:13
7:39
#8780
25K
15.53 mi12:22:001:55:237:2618:46
7:44
#9049
30K
18.64 mi12:47:462:21:097:3425:46
8:18
#9762
20M
20.00 mi12:59:342:32:577:3911:48
8:41
#10142
21M
21.00 mi13:09:022:42:257:449:28
9:28
#10490
35K
21.75 mi13:15:372:49:007:466:35
8:48
#10751
23M
23.00 mi13:26:523:00:157:5011:15
8:59
#11105
24M
24.00 mi13:35:443:09:077:538:52
8:52
#11408
40K
24.85 mi13:43:323:16:557:557:48
9:07
#11674
25.2M
25.20 mi13:46:533:20:167:573:21
9:43
#11755
Finish
26.22 mi13:55:463:29:097:598:53
8:43
#12003
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8826133013308424(Top 32%)1228(Top 11%)1228(Top 25%)
10K6.21 mi3.10 mi8495+3311218+1121218+1128230(Top 31%)1120(Top 10%)1120(Top 23%)
15K9.32 mi3.11 mi8452+431200+181200+188424(Top 32%)1228(Top 11%)1228(Top 25%)
20K12.43 mi3.11 mi8668-2161305-1051305-1059534(Top 36%)1708(Top 15%)1708(Top 35%)
Half13.11 mi0.68 mi8780-1121351-461351-4611493(Top 43%)2634(Top 23%)2634(Top 54%)
25K15.53 mi2.42 mi9049-2691465-1141465-11410644(Top 40%)2314(Top 20%)2314(Top 47%)
30K18.64 mi3.11 mi9762-7131788-3231788-32312987(Top 49%)3746(Top 33%)3746(Top 77%)
20M20.00 mi1.36 mi10142-3801996-2081996-20814750(Top 55%)4850(Top 42%)4850(Top 99%)
21M21.00 mi1.00 mi10490-3482201-2052201-20515808(Top 59%)5511(Top 48%)5511(Top 113%)
35K21.75 mi0.75 mi10751-2612354-1532354-15316939(Top 64%)6233(Top 55%)6233(Top 128%)
23M23.00 mi1.25 mi11105-3542548-1942548-19415984(Top 60%)5723(Top 50%)5723(Top 117%)
24M24.00 mi1.00 mi11408-3032741-1932741-19316580(Top 62%)6110(Top 53%)6110(Top 125%)
40K24.85 mi0.85 mi11674-2662906-1652906-16516732(Top 63%)6244(Top 55%)6244(Top 128%)
25.2M25.20 mi0.35 mi11755-812965-592965-5916176(Top 61%)5943(Top 52%)5943(Top 122%)
Finish26.22 mi1.02 mi12003-2483129-1643129-16416576(Top 62%)6130(Top 54%)6130(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8424

Females

1228

F18-39

1228

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8230

Females

1120

F18-39

1120

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8424

Females

1228

F18-39

1228

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9534

Females

1708

F18-39

1708

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11493

Females

2634

F18-39

2634

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10644

Females

2314

F18-39

2314

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

12987

Females

3746

F18-39

3746

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14750

Females

4850

F18-39

4850

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

15808

Females

5511

F18-39

5511

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16939

Females

6233

F18-39

6233

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15984

Females

5723

F18-39

5723

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16580

Females

6110

F18-39

6110

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16732

Females

6244

F18-39

6244

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16176

Females

5943

F18-39

5943

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16576

Females

6130

F18-39

6130

Passing Analysis

Category:
Athletes Passed
912
Passed By
4088
Net Change
-3177
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8826
5K → 10K436105+331#8826#8495
10K → 15K158115+43#8495#8452
15K → 20K80296-216#8452#8668
20K → Half5117-112#8668#8780
Half → 25K45314-269#8780#9049
25K → 30K37750-713#9049#9762
30K → 20M21400-380#9762#10142
20M → 21M27375-348#10142#10490
21M → 35K14275-261#10490#10751
35K → 23M21375-354#10751#11105
23M → 24M17320-303#11105#11408
24M → 40K18284-266#11408#11674
40K → 25.2M1394-81#11674#11755
25.2M → Finish20268-248#11755#12003
TOTALS9124088-3177
📊

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