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BOSTON MARATHON 2023

Krystina Stoner

Bib: 10449•F

GA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 32%
Gender (Female)
#0 / 11423
Top 13%
Division (F18-39)
#0 / 4884
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:15
Rank: #9502
Start → 5K
23:15 | 7:29/mi
10K· 6.21 mi
46:13
Rank: #9485 (+17)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:09:21
Rank: #9534 (-49)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:32:37
Rank: #9433 (+101)
15K → 20K
23:16 | 7:29/mi
Half· 13.11 mi
1:37:38
Rank: #9412 (+21)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:55:12
Rank: #8946 (+466)
Half → 25K
17:34 | 7:15/mi
30K· 18.64 mi
2:18:46
Rank: #8711 (+235)
25K → 30K
23:34 | 7:35/mi
20M
2:29:06
Rank: #8605 (+106)
30K → 20M
10:20 | 7:36/mi
21M
2:37:04
Rank: #8504 (+101)
20M → 21M
7:58 | 7:58/mi
35K· 21.75 mi
2:42:44
Rank: #8506 (-2)
21M → 35K
5:40 | 7:34/mi
23M
2:52:35
Rank: #8502 (+4)
35K → 23M
9:51 | 7:52/mi
24M
3:00:17
Rank: #8489 (+13)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
3:06:58
Rank: #8488 (+1)
24M → 40K
6:41 | 7:49/mi
25.2M
3:09:56
Rank: #8514 (-26)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:17:32
Rank: #8480 (+34)
25.2M → Finish
7:36 | 7:27/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:38
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:39:54
Pace7:37 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2623:157:2923:15
7:29
-
10K
6.21 mi11:13:2446:137:2622:58
7:24
-0:05
15K
9.32 mi11:36:321:09:217:2623:08
7:27
+0:03
20K
12.43 mi11:59:481:32:377:2723:16
7:29
+0:02
Half
13.11 mi12:04:491:37:387:275:01
7:21
-0:08
25K
15.53 mi12:22:231:55:127:2517:34
7:15
-0:06
30K
18.64 mi12:45:572:18:467:2723:34
7:35
+0:20
20M
20.00 mi12:56:172:29:067:2710:20
7:36
+0:01
21M
21.00 mi13:04:152:37:047:297:58
7:58
+0:22
35K
21.75 mi13:09:552:42:447:295:40
7:34
-0:24
23M
23.00 mi13:19:462:52:357:309:51
7:52
+0:18
24M
24.00 mi13:27:283:00:177:317:42
7:42
-0:10
40K
24.85 mi13:34:093:06:587:316:41
7:49
+0:07
25.2M
25.20 mi13:37:073:09:567:322:58
8:36
+0:47
Finish
26.22 mi13:44:433:17:327:327:36
7:27
-1:09

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

7:15 /mi

Average Pace

7:32 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:34

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:58

2% of race

Average Pace: 7:32 /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 mi10:50:2623:157:2923:15
7:29
#9502
10K
6.21 mi11:13:2446:137:2622:58
7:24
#9485
15K
9.32 mi11:36:321:09:217:2623:08
7:27
#9534
20K
12.43 mi11:59:481:32:377:2723:16
7:29
#9433
Half
13.11 mi12:04:491:37:387:275:01
7:21
#9412
25K
15.53 mi12:22:231:55:127:2517:34
7:15
#8946
30K
18.64 mi12:45:572:18:467:2723:34
7:35
#8711
20M
20.00 mi12:56:172:29:067:2710:20
7:36
#8605
21M
21.00 mi13:04:152:37:047:297:58
7:58
#8504
35K
21.75 mi13:09:552:42:447:295:40
7:34
#8506
23M
23.00 mi13:19:462:52:357:309:51
7:52
#8502
24M
24.00 mi13:27:283:00:177:317:42
7:42
#8489
40K
24.85 mi13:34:093:06:587:316:41
7:49
#8488
25.2M
25.20 mi13:37:073:09:567:322:58
8:36
#8514
Finish
26.22 mi13:44:433:17:327:327:36
7:27
#8480
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9502161716179739(Top 37%)1720(Top 15%)1720(Top 35%)
10K6.21 mi3.10 mi9485+171603+141603+149561(Top 36%)1642(Top 14%)1642(Top 34%)
15K9.32 mi3.11 mi9534-491632-291632-299739(Top 37%)1720(Top 15%)1720(Top 35%)
20K12.43 mi3.11 mi9433+1011605+271605+279237(Top 35%)1574(Top 14%)1574(Top 32%)
Half13.11 mi0.68 mi9412+211600+51600+59077(Top 34%)1501(Top 13%)1501(Top 31%)
25K15.53 mi2.42 mi8946+4661429+1711429+1716941(Top 26%)825(Top 7%)825(Top 17%)
30K18.64 mi3.11 mi8711+2351375+541375+547857(Top 30%)1250(Top 11%)1250(Top 26%)
20M20.00 mi1.36 mi8605+1061357+181357+187550(Top 28%)1238(Top 11%)1238(Top 25%)
21M21.00 mi1.00 mi8504+1011339+181339+187173(Top 27%)1198(Top 10%)1198(Top 25%)
35K21.75 mi0.75 mi8506-21355-161355-169112(Top 34%)1962(Top 17%)1962(Top 40%)
23M23.00 mi1.25 mi8502+41372-171372-178876(Top 33%)1958(Top 17%)1958(Top 40%)
24M24.00 mi1.00 mi8489+131388-161388-169103(Top 34%)2147(Top 19%)2147(Top 44%)
40K24.85 mi0.85 mi8488+11405-171405-178801(Top 33%)2078(Top 18%)2078(Top 43%)
25.2M25.20 mi0.35 mi8514-261421-161421-1610186(Top 38%)2766(Top 24%)2766(Top 57%)
Finish26.22 mi1.02 mi8480+341433-121433-128259(Top 31%)1934(Top 17%)1934(Top 40%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9739

Females

1720

F18-39

1720

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9561

Females

1642

F18-39

1642

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9739

Females

1720

F18-39

1720

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9237

Females

1574

F18-39

1574

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9077

Females

1501

F18-39

1501

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6941

Females

825

F18-39

825

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7857

Females

1250

F18-39

1250

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7550

Females

1238

F18-39

1238

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7173

Females

1198

F18-39

1198

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9112

Females

1962

F18-39

1962

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8876

Females

1958

F18-39

1958

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9103

Females

2147

F18-39

2147

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8801

Females

2078

F18-39

2078

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10186

Females

2766

F18-39

2766

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8259

Females

1934

F18-39

1934

Passing Analysis

Category:
Athletes Passed
2047
Passed By
1025
Net Change
+1022
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9502
5K → 10K295278+17#9502#9485
10K → 15K142191-49#9485#9534
15K → 20K19089+101#9534#9433
20K → Half3211+21#9433#9412
Half → 25K4671+466#9412#8946
25K → 30K30065+235#8946#8711
30K → 20M12721+106#8711#8605
20M → 21M12827+101#8605#8504
21M → 35K4244-2#8504#8506
35K → 23M8480+4#8506#8502
23M → 24M7057+13#8502#8489
24M → 40K6766+1#8489#8488
40K → 25.2M2046-26#8488#8514
25.2M → Finish8349+34#8514#8480
TOTALS20471025+1022
📊

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