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BOSTON MARATHON 2023

Carolyn Longden

Bib: 12971•F

MA

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

Start
0:00:00
Race begins
5K· 3.11 mi
24:20
Rank: #12682
Start → 5K
24:20 | 7:50/mi
10K· 6.21 mi
48:30
Rank: #12756 (-74)
5K → 10K
24:10 | 7:47/mi
15K· 9.32 mi
1:12:33
Rank: #12528 (+228)
10K → 15K
24:03 | 7:44/mi
20K· 12.43 mi
1:36:46
Rank: #12284 (+244)
15K → 20K
24:13 | 7:48/mi
Half· 13.11 mi
1:41:59
Rank: #12232 (+52)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
2:00:52
Rank: #12016 (+216)
Half → 25K
18:53 | 7:47/mi
30K· 18.64 mi
2:25:25
Rank: #11618 (+398)
25K → 30K
24:33 | 7:54/mi
20M
2:36:14
Rank: #11467 (+151)
30K → 20M
10:49 | 7:58/mi
21M
2:44:48
Rank: #11402 (+65)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:50:35
Rank: #11336 (+66)
21M → 35K
5:47 | 7:44/mi
23M
3:01:30
Rank: #11574 (-238)
35K → 23M
10:55 | 8:43/mi
24M
3:09:20
Rank: #11501 (+73)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
3:17:11
Rank: #11754 (-253)
24M → 40K
7:51 | 9:11/mi
25.2M
3:20:23
Rank: #11788 (-34)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:29:11
Rank: #12008 (-220)
25.2M → Finish
8:48 | 8:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:59
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:47:12
Pace8:11 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4924:207:5024:20
7:50
-
10K
6.21 mi11:16:5948:307:4824:10
7:47
-0:03
15K
9.32 mi11:41:021:12:337:4724:03
7:44
-0:03
20K
12.43 mi12:05:151:36:467:4724:13
7:48
+0:04
Half
13.11 mi12:10:281:41:597:475:13
7:39
-0:09
25K
15.53 mi12:29:212:00:527:4718:53
7:47
+0:08
30K
18.64 mi12:53:542:25:257:4824:33
7:54
+0:07
20M
20.00 mi13:04:432:36:147:4910:49
7:58
+0:04
21M
21.00 mi13:13:172:44:487:518:34
8:34
+0:36
35K
21.75 mi13:19:042:50:357:515:47
7:44
-0:50
23M
23.00 mi13:29:593:01:307:5310:55
8:43
+0:59
24M
24.00 mi13:37:493:09:207:537:50
7:50
-0:53
40K
24.85 mi13:45:403:17:117:567:51
9:11
+1:21
25.2M
25.20 mi13:48:523:20:237:573:12
9:17
+0:06
Finish
26.22 mi13:57:403:29:117:598:48
8:38
-0:39

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

7:39 /mi

Average Pace

7:59 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:49:51

81% of race

Time at Slower Pace

39:20

19% 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 mi10:52:4924:207:5024:20
7:50
#12682
10K
6.21 mi11:16:5948:307:4824:10
7:47
#12756
15K
9.32 mi11:41:021:12:337:4724:03
7:44
#12528
20K
12.43 mi12:05:151:36:467:4724:13
7:48
#12284
Half
13.11 mi12:10:281:41:597:475:13
7:39
#12232
25K
15.53 mi12:29:212:00:527:4718:53
7:47
#12016
30K
18.64 mi12:53:542:25:257:4824:33
7:54
#11618
20M
20.00 mi13:04:432:36:147:4910:49
7:58
#11467
21M
21.00 mi13:13:172:44:487:518:34
8:34
#11402
35K
21.75 mi13:19:042:50:357:515:47
7:44
#11336
23M
23.00 mi13:29:593:01:307:5310:55
8:43
#11574
24M
24.00 mi13:37:493:09:207:537:50
7:50
#11501
40K
24.85 mi13:45:403:17:117:567:51
9:11
#11754
25.2M
25.20 mi13:48:523:20:237:573:12
9:17
#11788
Finish
26.22 mi13:57:403:29:117:598:48
8:38
#12008
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126823269326912224(Top 46%)3030(Top 27%)3030(Top 62%)
10K6.21 mi3.10 mi12756-743288-193288-1912960(Top 49%)3406(Top 30%)3406(Top 70%)
15K9.32 mi3.11 mi12528+2283191+973191+9712224(Top 46%)3030(Top 27%)3030(Top 62%)
20K12.43 mi3.11 mi12284+2443083+1083083+10811711(Top 44%)2801(Top 25%)2801(Top 57%)
Half13.11 mi0.68 mi12232+523056+273056+2711494(Top 43%)2635(Top 23%)2635(Top 54%)
25K15.53 mi2.42 mi12016+2162951+1052951+10511024(Top 41%)2501(Top 22%)2501(Top 51%)
30K18.64 mi3.11 mi11618+3982762+1892762+18910177(Top 38%)2249(Top 20%)2249(Top 46%)
20M20.00 mi1.36 mi11467+1512698+642698+6410016(Top 38%)2247(Top 20%)2247(Top 46%)
21M21.00 mi1.00 mi11402+652673+252673+2510902(Top 41%)2818(Top 25%)2818(Top 58%)
35K21.75 mi0.75 mi11336+662647+262647+2610207(Top 38%)2476(Top 22%)2476(Top 51%)
23M23.00 mi1.25 mi11574-2382812-1652812-16514503(Top 54%)4897(Top 43%)4897(Top 100%)
24M24.00 mi1.00 mi11501+732795+172795+1710071(Top 38%)2640(Top 23%)2640(Top 54%)
40K24.85 mi0.85 mi11754-2532950-1552950-15517014(Top 64%)6399(Top 56%)6399(Top 131%)
25.2M25.20 mi0.35 mi11788-342985-352985-3514101(Top 53%)4785(Top 42%)4785(Top 98%)
Finish26.22 mi1.02 mi12008-2203132-1473132-14716164(Top 61%)5906(Top 52%)5906(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12224

Females

3030

F18-39

3030

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12960

Females

3406

F18-39

3406

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12224

Females

3030

F18-39

3030

15K→20K

9.3 - 12.4 mi

Top 44%
×5stories
+106ft-86ft

Overall

11711

Females

2801

F18-39

2801

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11494

Females

2635

F18-39

2635

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

11024

Females

2501

F18-39

2501

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10177

Females

2249

F18-39

2249

30K→20M

18.6 - 20.0 mi

Top 38%
×5stories
+64ft-50ft

Overall

10016

Females

2247

F18-39

2247

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10902

Females

2818

F18-39

2818

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10207

Females

2476

F18-39

2476

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14503

Females

4897

F18-39

4897

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10071

Females

2640

F18-39

2640

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17014

Females

6399

F18-39

6399

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14101

Females

4785

F18-39

4785

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

16164

Females

5906

F18-39

5906

Passing Analysis

Category:
Athletes Passed
2239
Passed By
1565
Net Change
+674
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12682
5K → 10K260334-74#12682#12756
10K → 15K336108+228#12756#12528
15K → 20K31672+244#12528#12284
20K → Half608+52#12284#12232
Half → 25K25236+216#12232#12016
25K → 30K42224+398#12016#11618
30K → 20M17524+151#11618#11467
20M → 21M12762+65#11467#11402
21M → 35K9024+66#11402#11336
35K → 23M42280-238#11336#11574
23M → 24M10128+73#11574#11501
24M → 40K18271-253#11501#11754
40K → 25.2M1751-34#11754#11788
25.2M → Finish23243-220#11788#12008
TOTALS22391565+674
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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