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BOSTON MARATHON 2023

Allison Pon

Bib: 13963•F

AB

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 33%
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
7:45/mi
24:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:35
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:11:15
↑ 67↓ 78
20K· 12.43 mi
7:43/mi
1:35:13
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:40:24
↑ 19↓ 370.5%
25K· 15.53 mi
7:45/mi
1:59:11
↑ 66↓ 880.2%
30K· 18.64 mi
7:50/mi
2:23:31
↑ 181↓ 1480.2%
20M
7:52/mi
2:34:12
↑ 64↓ 500.2%
21M
8:13/mi
2:42:25
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:48:04
↑ 17↓ 861.7%
23M
7:53/mi
2:57:56
↑ 23↓ 630.6%
24M
7:37/mi
3:05:33
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:12:14
↓ 200.3%
25.2M
8:27/mi
3:15:09
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:23:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:24
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:42:39
Pace7:50 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2124:057:4524:05
7:45
-
10K
6.21 mi11:15:5147:357:3923:30
7:34
-0:11
15K
9.32 mi11:39:311:11:157:3923:40
7:37
+0:03
20K
12.43 mi12:03:291:35:137:4023:58
7:43
+0:06
Half
13.11 mi12:08:401:40:247:405:11
7:36
-0:07
25K
15.53 mi12:27:271:59:117:4018:47
7:45
+0:09
30K
18.64 mi12:51:472:23:317:4224:20
7:50
+0:05
20M
20.00 mi13:02:282:34:127:4310:41
7:52
+0:02
21M
21.00 mi13:10:412:42:257:448:13
8:13
+0:21
35K
21.75 mi13:16:202:48:047:445:39
7:33
-0:40
23M
23.00 mi13:26:122:57:567:449:52
7:53
+0:20
24M
24.00 mi13:33:493:05:337:447:37
7:37
-0:16
40K
24.85 mi13:40:303:12:147:446:41
7:49
+0:12
25.2M
25.20 mi13:43:253:15:097:452:55
8:27
+0:38
Finish
26.22 mi13:51:193:23:037:457:54
7:45
-0:42

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

7:33 /mi

Average Pace

7:45 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:08

99% of race

Time at Steady Pace

2:55

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi10:52:2124:057:4524:05
7:45
#11938
10K
6.21 mi11:15:5147:357:3923:30
7:34
#11416
15K
9.32 mi11:39:311:11:157:3923:40
7:37
#11318
20K
12.43 mi12:03:291:35:137:4023:58
7:43
#11207
Half
13.11 mi12:08:401:40:247:405:11
7:36
#11184
25K
15.53 mi12:27:271:59:117:4018:47
7:45
#11078
30K
18.64 mi12:51:472:23:317:4224:20
7:50
#10768
20M
20.00 mi13:02:282:34:127:4310:41
7:52
#10633
21M
21.00 mi13:10:412:42:257:448:13
8:13
#10487
35K
21.75 mi13:16:202:48:047:445:39
7:33
#10409
23M
23.00 mi13:26:122:57:567:449:52
7:53
#10299
24M
24.00 mi13:33:493:05:337:447:37
7:37
#10184
40K
24.85 mi13:40:303:12:147:446:41
7:49
#10115
25.2M
25.20 mi13:43:253:15:097:452:55
8:27
#10075
Finish
26.22 mi13:51:193:23:037:457:54
7:45
#10060
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi119382831283111175(Top 42%)2443(Top 21%)2443(Top 50%)
10K6.21 mi3.10 mi11416+5222556+2752556+27511008(Top 41%)2312(Top 20%)2312(Top 47%)
15K9.32 mi3.11 mi11318+982500+562500+5611175(Top 42%)2443(Top 21%)2443(Top 50%)
20K12.43 mi3.11 mi11207+1112438+622438+6211039(Top 41%)2421(Top 21%)2421(Top 50%)
Half13.11 mi0.68 mi11184+232431+72431+711035(Top 41%)2377(Top 21%)2377(Top 49%)
25K15.53 mi2.42 mi11078+1062395+362395+3610681(Top 40%)2323(Top 20%)2323(Top 48%)
30K18.64 mi3.11 mi10768+3102282+1132282+1139618(Top 36%)1983(Top 17%)1983(Top 41%)
20M20.00 mi1.36 mi10633+1352246+362246+369332(Top 35%)1951(Top 17%)1951(Top 40%)
21M21.00 mi1.00 mi10487+1462198+482198+488730(Top 33%)1815(Top 16%)1815(Top 37%)
35K21.75 mi0.75 mi10409+782175+232175+238975(Top 34%)1912(Top 17%)1912(Top 39%)
23M23.00 mi1.25 mi10299+1102145+302145+308968(Top 34%)2012(Top 18%)2012(Top 41%)
24M24.00 mi1.00 mi10184+1152115+302115+308549(Top 32%)1901(Top 17%)1901(Top 39%)
40K24.85 mi0.85 mi10115+692112+32112+38817(Top 33%)2094(Top 18%)2094(Top 43%)
25.2M25.20 mi0.35 mi10075+402108+42108+49306(Top 35%)2365(Top 21%)2365(Top 48%)
Finish26.22 mi1.02 mi10060+152122-142122-1410334(Top 39%)2851(Top 25%)2851(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11175

Females

2443

F18-39

2443

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11008

Females

2312

F18-39

2312

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11175

Females

2443

F18-39

2443

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11039

Females

2421

F18-39

2421

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

11035

Females

2377

F18-39

2377

Half→25K

13.1 - 15.5 mi

Top 40%
×4story building
+66ft-88ft

Overall

10681

Females

2323

F18-39

2323

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9618

Females

1983

F18-39

1983

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9332

Females

1951

F18-39

1951

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8730

Females

1815

F18-39

1815

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8975

Females

1912

F18-39

1912

35K→23M

21.8 - 23.0 mi

Top 34%
×5story building
+23ft-63ft

Overall

8968

Females

2012

F18-39

2012

23M→24M

23.0 - 24.0 mi

Top 32%
×6story building
+12ft-82ft

Overall

8549

Females

1901

F18-39

1901

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8817

Females

2094

F18-39

2094

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9306

Females

2365

F18-39

2365

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10334

Females

2851

F18-39

2851

Passing Analysis

Category:
Athletes Passed
2564*
Passed By
686
Net Change
+1878
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11938
5K → 10K640118+522#11938#11416
10K → 15K232134+98#11416#11318
15K → 20K217106+111#11318#11207
20K → Half3714+23#11207#11184
Half → 25K17670+106#11184#11078
25K → 30K35040+310#11078#10768
30K → 20M160*25+135#10768#10633
20M → 21M16216+146#10633#10487
21M → 35K9113+78#10487#10409
35K → 23M13626+110#10409#10299
23M → 24M13419+115#10299#10184
24M → 40K9526+69#10184#10115
40K → 25.2M52*12+40#10115#10075
25.2M → Finish8267+15#10075#10060
TOTALS2564*686+1878

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

📊

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