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BOSTON MARATHON 2023

Ellen Park

Bib: 16958•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 18%
Masters (Masters Women)
#0 / 6539
Top 8%
Division (F40-44)
#0 / 1878
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:02
Rank: #8939
Start → 5K
23:02 | 7:25/mi
10K· 6.21 mi
45:49
Rank: #8999 (-60)
5K → 10K
22:47 | 7:20/mi
15K· 9.32 mi
1:08:53
Rank: #9122 (-123)
10K → 15K
23:04 | 7:25/mi
20K· 12.43 mi
1:32:28
Rank: #9335 (-213)
15K → 20K
23:35 | 7:35/mi
Half· 13.11 mi
1:37:35
Rank: #9379 (-44)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:56:13
Rank: #9489 (-110)
Half → 25K
18:38 | 7:41/mi
30K· 18.64 mi
2:21:21
Rank: #9843 (-354)
25K → 30K
25:08 | 8:05/mi
20M
2:32:23
Rank: #9894 (-51)
30K → 20M
11:02 | 8:07/mi
21M
2:41:13
Rank: #10029 (-135)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:46:58
Rank: #10003 (+26)
21M → 35K
5:45 | 7:41/mi
23M
2:57:08
Rank: #10015 (-12)
35K → 23M
10:10 | 8:07/mi
24M
3:04:53
Rank: #9971 (+44)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:11:39
Rank: #9918 (+53)
24M → 40K
6:46 | 7:55/mi
25.2M
3:14:40
Rank: #9925 (-7)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:22:41
Rank: #9952 (-27)
25.2M → Finish
8:01 | 7:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:35
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:45:06
Pace8:01 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1023:027:2523:02
7:25
-
10K
6.21 mi11:35:5745:497:2222:47
7:20
-0:05
15K
9.32 mi11:59:011:08:537:2323:04
7:25
+0:05
20K
12.43 mi12:22:361:32:287:2623:35
7:35
+0:10
Half
13.11 mi12:27:431:37:357:275:07
7:30
-0:05
25K
15.53 mi12:46:211:56:137:2918:38
7:41
+0:11
30K
18.64 mi13:11:292:21:217:3525:08
8:05
+0:24
20M
20.00 mi13:22:312:32:237:3711:02
8:07
+0:02
21M
21.00 mi13:31:212:41:137:418:50
8:50
+0:43
35K
21.75 mi13:37:062:46:587:415:45
7:41
-1:09
23M
23.00 mi13:47:162:57:087:4210:10
8:07
+0:26
24M
24.00 mi13:55:013:04:537:427:45
7:45
-0:22
40K
24.85 mi14:01:473:11:397:436:46
7:55
+0:10
25.2M
25.20 mi14:04:483:14:407:433:01
8:45
+0:50
Finish
26.22 mi14:12:493:22:417:448:01
7:52
-0:53

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

7:20 /mi

Average Pace

7:44 /mi

Slowest Pace

8:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:00

37% of race

Time at Steady Pace

1:10:30

35% of race

Time at Slower Pace

58:11

29% of race

Average Pace: 7:44 /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 mi11:13:1023:027:2523:02
7:25
#8939
10K
6.21 mi11:35:5745:497:2222:47
7:20
#8999
15K
9.32 mi11:59:011:08:537:2323:04
7:25
#9122
20K
12.43 mi12:22:361:32:287:2623:35
7:35
#9335
Half
13.11 mi12:27:431:37:357:275:07
7:30
#9379
25K
15.53 mi12:46:211:56:137:2918:38
7:41
#9489
30K
18.64 mi13:11:292:21:217:3525:08
8:05
#9843
20M
20.00 mi13:22:312:32:237:3711:02
8:07
#9894
21M
21.00 mi13:31:212:41:137:418:50
8:50
#10029
35K
21.75 mi13:37:062:46:587:415:45
7:41
#10003
23M
23.00 mi13:47:162:57:087:4210:10
8:07
#10015
24M
24.00 mi13:55:013:04:537:427:45
7:45
#9971
40K
24.85 mi14:01:473:11:397:436:46
7:55
#9918
25.2M
25.20 mi14:04:483:14:407:433:01
8:45
#9925
Finish
26.22 mi14:12:493:22:417:448:01
7:52
#9952
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8939137713779572(Top 36%)1653(Top 14%)1653(Top 88%)
10K6.21 mi3.10 mi8999-601413-361413-369126(Top 34%)1469(Top 13%)1469(Top 78%)
15K9.32 mi3.11 mi9122-1231471-581471-589572(Top 36%)1653(Top 14%)1653(Top 88%)
20K12.43 mi3.11 mi9335-2131574-1031574-10310032(Top 38%)1929(Top 17%)1929(Top 103%)
Half13.11 mi0.68 mi9379-441588-141588-1410293(Top 39%)2026(Top 18%)2026(Top 108%)
25K15.53 mi2.42 mi9489-1101639-511639-5110207(Top 38%)2090(Top 18%)2090(Top 111%)
30K18.64 mi3.11 mi9843-3541819-1801819-18011576(Top 43%)2938(Top 26%)2938(Top 156%)
20M20.00 mi1.36 mi9894-511872-531872-5311163(Top 42%)2804(Top 25%)2804(Top 149%)
21M21.00 mi1.00 mi10029-1351966-941966-9412452(Top 47%)3651(Top 32%)3651(Top 194%)
35K21.75 mi0.75 mi10003+261973-71973-79867(Top 37%)2292(Top 20%)2292(Top 122%)
23M23.00 mi1.25 mi10015-121999-261999-2610617(Top 40%)2820(Top 25%)2820(Top 150%)
24M24.00 mi1.00 mi9971+442018-192018-199444(Top 35%)2305(Top 20%)2305(Top 123%)
40K24.85 mi0.85 mi9918+532023-52023-59469(Top 36%)2384(Top 21%)2384(Top 127%)
25.2M25.20 mi0.35 mi9925-72042-192042-1911039(Top 41%)3197(Top 28%)3197(Top 170%)
Finish26.22 mi1.02 mi9952-272073-312073-3111165(Top 42%)3271(Top 29%)3271(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9572

Females

1653

F40-44

1653

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9126

Females

1469

F40-44

1469

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9572

Females

1653

F40-44

1653

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10032

Females

1929

F40-44

1929

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10293

Females

2026

F40-44

2026

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10207

Females

2090

F40-44

2090

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11576

Females

2938

F40-44

2938

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11163

Females

2804

F40-44

2804

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12452

Females

3651

F40-44

3651

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9867

Females

2292

F40-44

2292

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10617

Females

2820

F40-44

2820

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9444

Females

2305

F40-44

2305

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9469

Females

2384

F40-44

2384

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11039

Females

3197

F40-44

3197

25.2M→Finish

25.2 - 26.2 mi

Top 42%
×2stories
+22ft-21ft

Overall

11165

Females

3271

F40-44

3271

Passing Analysis

Category:
Athletes Passed
1130*
Passed By
2141
Net Change
-1013
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8939
5K → 10K245305-60#8939#8999
10K → 15K101224-123#8999#9122
15K → 20K81294-213#9122#9335
20K → Half1357-44#9335#9379
Half → 25K86196-110#9379#9489
25K → 30K76*430-354#9489#9843
30K → 20M74125-51#9843#9894
20M → 21M49182-135#9894#10029
21M → 35K63*37+26#10029#10003
35K → 23M6173-12#10003#10015
23M → 24M9248+44#10015#9971
24M → 40K9744+53#9971#9918
40K → 25.2M2734-7#9918#9925
25.2M → Finish65*92-27#9925#9952
TOTALS1130*2141-1013

* 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