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BOSTON MARATHON 2023

Crystal Ring

Bib: 9340•F

AR

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0:00
/ mi
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Overall
#0 / 26622
Top 37%
Gender (Female)
#0 / 11423
Top 17%
Division (F18-39)
#0 / 4884
Top 31%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:32
Rank: #10310
Start → 5K
23:32 | 7:34/mi
10K· 6.21 mi
46:46
Rank: #10282 (+28)
5K → 10K
23:14 | 7:29/mi
15K· 9.32 mi
1:10:12
Rank: #10348 (-66)
10K → 15K
23:26 | 7:33/mi
20K· 12.43 mi
1:33:49
Rank: #10273 (+75)
15K → 20K
23:37 | 7:36/mi
Half· 13.11 mi
1:38:57
Rank: #10272 (+1)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:57:31
Rank: #10188 (+84)
Half → 25K
18:34 | 7:39/mi
30K· 18.64 mi
2:21:52
Rank: #10050 (+138)
25K → 30K
24:21 | 7:50/mi
20M
2:32:52
Rank: #10100 (-50)
30K → 20M
11:00 | 8:05/mi
21M
2:40:57
Rank: #9930 (+170)
20M → 21M
8:05 | 8:05/mi
35K· 21.75 mi
2:46:48
Rank: #9942 (-12)
21M → 35K
5:51 | 7:49/mi
23M
2:56:41
Rank: #9865 (+77)
35K → 23M
9:53 | 7:54/mi
24M
3:04:29
Rank: #9825 (+40)
23M → 24M
7:48 | 7:48/mi
40K· 24.85 mi
3:11:14
Rank: #9789 (+36)
24M → 40K
6:45 | 7:54/mi
25.2M
3:14:09
Rank: #9764 (+25)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:22:05
Rank: #9754 (+10)
25.2M → Finish
7:56 | 7:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:57
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:43:08
Pace7:52 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3223:327:3423:32
7:34
-
10K
6.21 mi11:17:4646:467:3223:14
7:29
-0:05
15K
9.32 mi11:41:121:10:127:3223:26
7:33
+0:04
20K
12.43 mi12:04:491:33:497:3323:37
7:36
+0:03
Half
13.11 mi12:09:571:38:577:335:08
7:31
-0:05
25K
15.53 mi12:28:311:57:317:3418:34
7:39
+0:08
30K
18.64 mi12:52:522:21:527:3724:21
7:50
+0:11
20M
20.00 mi13:03:522:32:527:3911:00
8:05
+0:15
21M
21.00 mi13:11:572:40:577:408:05
8:05
0:00
35K
21.75 mi13:17:482:46:487:405:51
7:49
-0:16
23M
23.00 mi13:27:412:56:417:419:53
7:54
+0:05
24M
24.00 mi13:35:293:04:297:417:48
7:48
-0:06
40K
24.85 mi13:42:143:11:147:426:45
7:54
+0:06
25.2M
25.20 mi13:45:093:14:097:422:55
8:27
+0:33
Finish
26.22 mi13:53:053:22:057:437:56
7:47
-0:40

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

7:29 /mi

Average Pace

7:43 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:10

99% of race

Time at Steady Pace

2:55

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:42 /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 mi10:54:3223:327:3423:32
7:34
#10310
10K
6.21 mi11:17:4646:467:3223:14
7:29
#10282
15K
9.32 mi11:41:121:10:127:3223:26
7:33
#10348
20K
12.43 mi12:04:491:33:497:3323:37
7:36
#10273
Half
13.11 mi12:09:571:38:577:335:08
7:31
#10272
25K
15.53 mi12:28:311:57:317:3418:34
7:39
#10188
30K
18.64 mi12:52:522:21:527:3724:21
7:50
#10050
20M
20.00 mi13:03:522:32:527:3911:00
8:05
#10100
21M
21.00 mi13:11:572:40:577:408:05
8:05
#9930
35K
21.75 mi13:17:482:46:487:405:51
7:49
#9942
23M
23.00 mi13:27:412:56:417:419:53
7:54
#9865
24M
24.00 mi13:35:293:04:297:417:48
7:48
#9825
40K
24.85 mi13:42:143:11:147:426:45
7:54
#9789
25.2M
25.20 mi13:45:093:14:097:422:55
8:27
#9764
Finish
26.22 mi13:53:053:22:057:437:56
7:47
#9754
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 mi103102002200210536(Top 40%)2099(Top 18%)2099(Top 43%)
10K6.21 mi3.10 mi10282+281967+351967+3510284(Top 39%)1947(Top 17%)1947(Top 40%)
15K9.32 mi3.11 mi10348-661983-161983-1610536(Top 40%)2099(Top 18%)2099(Top 43%)
20K12.43 mi3.11 mi10273+751962+211962+2110119(Top 38%)1975(Top 17%)1975(Top 40%)
Half13.11 mi0.68 mi10272+11959+31959+310455(Top 39%)2110(Top 18%)2110(Top 43%)
25K15.53 mi2.42 mi10188+841945+141945+149984(Top 38%)1996(Top 17%)1996(Top 41%)
30K18.64 mi3.11 mi10050+1381914+311914+319652(Top 36%)1998(Top 17%)1998(Top 41%)
20M20.00 mi1.36 mi10100-501975-611975-6110938(Top 41%)2713(Top 24%)2713(Top 56%)
21M21.00 mi1.00 mi9930+1701916+591916+597958(Top 30%)1515(Top 13%)1515(Top 31%)
35K21.75 mi0.75 mi9942-121939-231939-2310824(Top 41%)2776(Top 24%)2776(Top 57%)
23M23.00 mi1.25 mi9865+771932+71932+79059(Top 34%)2061(Top 18%)2061(Top 42%)
24M24.00 mi1.00 mi9825+401948-161948-169814(Top 37%)2499(Top 22%)2499(Top 51%)
40K24.85 mi0.85 mi9789+361963-151963-159333(Top 35%)2315(Top 20%)2315(Top 47%)
25.2M25.20 mi0.35 mi9764+251961+21961+29299(Top 35%)2358(Top 21%)2358(Top 48%)
Finish26.22 mi1.02 mi9754+101985-241985-2410583(Top 40%)2975(Top 26%)2975(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10536

Females

2099

F18-39

2099

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10284

Females

1947

F18-39

1947

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10536

Females

2099

F18-39

2099

15K→20K

9.3 - 12.4 mi

Top 38%
×5stories
+106ft-86ft

Overall

10119

Females

1975

F18-39

1975

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10455

Females

2110

F18-39

2110

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

9984

Females

1996

F18-39

1996

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9652

Females

1998

F18-39

1998

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

10938

Females

2713

F18-39

2713

20M→21M

20.0 - 21.0 mi

Top 30%
×8stories
+106ft-24ft

Overall

7958

Females

1515

F18-39

1515

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10824

Females

2776

F18-39

2776

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9059

Females

2061

F18-39

2061

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9814

Females

2499

F18-39

2499

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9333

Females

2315

F18-39

2315

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9299

Females

2358

F18-39

2358

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10583

Females

2975

F18-39

2975

Passing Analysis

Category:
Athletes Passed
1785*
Passed By
1229
Net Change
+556
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10310
5K → 10K317*289+28#10310#10282
10K → 15K157223-66#10282#10348
15K → 20K187*112+75#10348#10273
20K → Half2928+1#10273#10272
Half → 25K17591+84#10272#10188
25K → 30K229*91+138#10188#10050
30K → 20M70120-50#10050#10100
20M → 21M189*19+170#10100#9930
21M → 35K3749-12#9930#9942
35K → 23M11336+77#9942#9865
23M → 24M8141+40#9865#9825
24M → 40K84*48+36#9825#9789
40K → 25.2M4318+25#9789#9764
25.2M → Finish74*64+10#9764#9754
TOTALS1785*1229+556

* 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