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BOSTON MARATHON 2023

Christina Couper

Bib: 5139•F

SC

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 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:23
Rank: #9865
Start → 5K
23:23 | 7:32/mi
10K· 6.21 mi
46:54
Rank: #10457 (-592)
5K → 10K
23:31 | 7:34/mi
15K· 9.32 mi
1:10:56
Rank: #11017 (-560)
10K → 15K
24:02 | 7:44/mi
20K· 12.43 mi
1:35:37
Rank: #11485 (-468)
15K → 20K
24:41 | 7:57/mi
Half· 13.11 mi
1:40:56
Rank: #11529 (-44)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
1:59:27
Rank: #11208 (+321)
Half → 25K
18:31 | 7:38/mi
30K· 18.64 mi
2:23:03
Rank: #10562 (+646)
25K → 30K
23:36 | 7:36/mi
20M
2:32:58
Rank: #10147 (+415)
30K → 20M
9:55 | 7:18/mi
21M
2:40:42
Rank: #9825 (+322)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:46:00
Rank: #9663 (+162)
21M → 35K
5:18 | 7:05/mi
23M
2:55:13
Rank: #9359 (+304)
35K → 23M
9:13 | 7:22/mi
24M
3:02:19
Rank: #9143 (+216)
23M → 24M
7:06 | 7:06/mi
40K· 24.85 mi
3:08:33
Rank: #8973 (+170)
24M → 40K
6:14 | 7:17/mi
25.2M
3:11:16
Rank: #8897 (+76)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:18:11
Rank: #8653 (+244)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:40:56
Pace7:42 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:15
Pace7:25 /mi
📊Negative Split: 3.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0523:237:3223:23
7:32
-
10K
6.21 mi10:49:3646:547:3323:31
7:34
+0:02
15K
9.32 mi11:13:381:10:567:3724:02
7:44
+0:10
20K
12.43 mi11:38:191:35:377:4224:41
7:57
+0:13
Half
13.11 mi11:43:381:40:567:425:19
7:48
-0:09
25K
15.53 mi12:02:091:59:277:4118:31
7:38
-0:10
30K
18.64 mi12:25:452:23:037:4023:36
7:36
-0:02
20M
20.00 mi12:35:402:32:587:399:55
7:18
-0:18
21M
21.00 mi12:43:242:40:427:397:44
7:44
+0:26
35K
21.75 mi12:48:422:46:007:385:18
7:05
-0:39
23M
23.00 mi12:57:552:55:137:379:13
7:22
+0:17
24M
24.00 mi13:05:013:02:197:367:06
7:06
-0:16
40K
24.85 mi13:11:153:08:337:356:14
7:17
+0:11
25.2M
25.20 mi13:13:583:11:167:352:43
7:53
+0:36
Finish
26.22 mi13:20:533:18:117:346:55
6:47
-1:06

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

6:47 /mi

Average Pace

7:34 /mi

Slowest Pace

7:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:41

23% of race

Time at Steady Pace

2:33:30

77% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi10:26:0523:237:3223:23
7:32
#9865
10K
6.21 mi10:49:3646:547:3323:31
7:34
#10457
15K
9.32 mi11:13:381:10:567:3724:02
7:44
#11017
20K
12.43 mi11:38:191:35:377:4224:41
7:57
#11485
Half
13.11 mi11:43:381:40:567:425:19
7:48
#11529
25K
15.53 mi12:02:091:59:277:4118:31
7:38
#11208
30K
18.64 mi12:25:452:23:037:4023:36
7:36
#10562
20M
20.00 mi12:35:402:32:587:399:55
7:18
#10147
21M
21.00 mi12:43:242:40:427:397:44
7:44
#9825
35K
21.75 mi12:48:422:46:007:385:18
7:05
#9663
23M
23.00 mi12:57:552:55:137:379:13
7:22
#9359
24M
24.00 mi13:05:013:02:197:367:06
7:06
#9143
40K
24.85 mi13:11:153:08:337:356:14
7:17
#8973
25.2M
25.20 mi13:13:583:11:167:352:43
7:53
#8897
Finish
26.22 mi13:20:533:18:117:346:55
6:47
#8653
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi98651791179112157(Top 46%)2979(Top 26%)2979(Top 61%)
10K6.21 mi3.10 mi10457-5922049-2582049-25811045(Top 41%)2332(Top 20%)2332(Top 48%)
15K9.32 mi3.11 mi11017-5602339-2902339-29012157(Top 46%)2979(Top 26%)2979(Top 61%)
20K12.43 mi3.11 mi11485-4682607-2682607-26812988(Top 49%)3538(Top 31%)3538(Top 72%)
Half13.11 mi0.68 mi11529-442642-352642-3512653(Top 48%)3259(Top 29%)3259(Top 67%)
25K15.53 mi2.42 mi11208+3212475+1672475+1679828(Top 37%)1925(Top 17%)1925(Top 39%)
30K18.64 mi3.11 mi10562+6462185+2902185+2907934(Top 30%)1282(Top 11%)1282(Top 26%)
20M20.00 mi1.36 mi10147+4151998+1871998+1875655(Top 21%)620(Top 5%)620(Top 13%)
21M21.00 mi1.00 mi9825+3221863+1351863+1355847(Top 22%)767(Top 7%)767(Top 16%)
35K21.75 mi0.75 mi9663+1621803+601803+605875(Top 22%)738(Top 6%)738(Top 15%)
23M23.00 mi1.25 mi9359+3041715+881715+885679(Top 21%)717(Top 6%)717(Top 15%)
24M24.00 mi1.00 mi9143+2161653+621653+625239(Top 20%)648(Top 6%)648(Top 13%)
40K24.85 mi0.85 mi8973+1701601+521601+525445(Top 20%)800(Top 7%)800(Top 16%)
25.2M25.20 mi0.35 mi8897+761582+191582+195897(Top 22%)1028(Top 9%)1028(Top 21%)
Finish26.22 mi1.02 mi8653+2441506+761506+764038(Top 15%)474(Top 4%)474(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21stories
+97ft-345ft

Overall

12157

Females

2979

F18-39

2979

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

11045

Females

2332

F18-39

2332

10K→15K

6.2 - 9.3 mi

Top 46%
×3stories
+67ft-78ft

Overall

12157

Females

2979

F18-39

2979

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12988

Females

3538

F18-39

3538

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12653

Females

3259

F18-39

3259

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9828

Females

1925

F18-39

1925

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7934

Females

1282

F18-39

1282

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5655

Females

620

F18-39

620

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5847

Females

767

F18-39

767

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5875

Females

738

F18-39

738

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5679

Females

717

F18-39

717

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5239

Females

648

F18-39

648

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5445

Females

800

F18-39

800

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5897

Females

1028

F18-39

1028

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4038

Females

474

F18-39

474

Passing Analysis

Category:
Athletes Passed
3144*
Passed By
1931
Net Change
+1212
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9865
5K → 10K112703-592#9865#10457
10K → 15K54614-560#10457#11017
15K → 20K49517-468#11017#11485
20K → Half2266-44#11485#11529
Half → 25K33716+321#11529#11208
25K → 30K6504+646#11208#10562
30K → 20M415*0+415#10562#10147
20M → 21M324*2+322#10147#9825
21M → 35K1631+162#9825#9663
35K → 23M3073+304#9663#9359
23M → 24M2171+216#9359#9143
24M → 40K1722+170#9143#8973
40K → 25.2M782+76#8973#8897
25.2M → Finish2440+244#8897#8653
TOTALS3144*1931+1212

* 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