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BOSTON MARATHON 2023

Meredith Defranco

Bib: 7354•F

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 18%
Gender (Female)
#0 / 11423
Top 3%
Division (F18-39)
#0 / 4884
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #3888
Start → 5K
6:43/mi
20:53 split
10K· 6.21 mi
41:48
Rank: #4260 (-372)
5K → 10K
6:44/mi
20:55 split
15K· 9.32 mi
1:02:46
Rank: #4371 (-111)
10K → 15K
6:45/mi
20:58 split
20K· 12.43 mi
1:23:56
Rank: #4389 (-18)
15K → 20K
6:49/mi
21:10 split
Half· 13.11 mi
1:28:37
Rank: #4471 (-82)
20K → Half
6:52/mi
4:41 split
25K· 15.53 mi
1:45:15
Rank: #4463 (+8)
Half → 25K
6:52/mi
16:38 split
30K· 18.64 mi
2:06:49
Rank: #4337 (+126)
25K → 30K
6:56/mi
21:34 split
20M
2:16:21
Rank: #4301 (+36)
30K → 20M
7:01/mi
9:32 split
21M
2:23:52
Rank: #4327 (-26)
20M → 21M
7:31/mi
7:31 split
35K· 21.75 mi
2:29:00
Rank: #4326 (+1)
21M → 35K
6:52/mi
5:08 split
23M
2:38:08
Rank: #4406 (-80)
35K → 23M
7:18/mi
9:08 split
24M
2:45:23
Rank: #4498 (-92)
23M → 24M
7:15/mi
7:15 split
40K· 24.85 mi
2:51:52
Rank: #4572 (-74)
24M → 40K
7:35/mi
6:29 split
25.2M
2:54:48
Rank: #4630 (-58)
40K → 25.2M
8:30/mi
2:56 split
Finish· 26.22 mi
3:02:41
Rank: #4761 (-131)
25.2M → Finish
7:44/mi
7:53 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:37
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:34:04
Pace7:11 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1920:536:4320:53
6:43
-
10K
6.21 mi10:47:1441:486:4420:55
6:44
+0:01
15K
9.32 mi11:08:121:02:466:4420:58
6:45
+0:01
20K
12.43 mi11:29:221:23:566:4521:10
6:49
+0:04
Half
13.11 mi11:34:031:28:376:464:41
6:52
+0:03
25K
15.53 mi11:50:411:45:156:4716:38
6:52
0:00
30K
18.64 mi12:12:152:06:496:4821:34
6:56
+0:04
20M
20.00 mi12:21:472:16:216:499:32
7:01
+0:05
21M
21.00 mi12:29:182:23:526:517:31
7:31
+0:30
35K
21.75 mi12:34:262:29:006:515:08
6:52
-0:39
23M
23.00 mi12:43:342:38:086:539:08
7:18
+0:26
24M
24.00 mi12:50:492:45:236:537:15
7:15
-0:03
40K
24.85 mi12:57:182:51:526:556:29
7:35
+0:20
25.2M
25.20 mi13:00:142:54:486:562:56
8:30
+0:55
Finish
26.22 mi13:08:073:02:416:587:53
7:44
-0:46

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

6:43 /mi

Average Pace

6:58 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:21:29

77% of race

Time at Slower Pace

41:12

23% of race

Average Pace: 6:58 /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 mi10:26:1920:536:4320:53
6:43
#3888
10K
6.21 mi10:47:1441:486:4420:55
6:44
#4260
15K
9.32 mi11:08:121:02:466:4420:58
6:45
#4371
20K
12.43 mi11:29:221:23:566:4521:10
6:49
#4389
Half
13.11 mi11:34:031:28:376:464:41
6:52
#4471
25K
15.53 mi11:50:411:45:156:4716:38
6:52
#4463
30K
18.64 mi12:12:152:06:496:4821:34
6:56
#4337
20M
20.00 mi12:21:472:16:216:499:32
7:01
#4301
21M
21.00 mi12:29:182:23:526:517:31
7:31
#4327
35K
21.75 mi12:34:262:29:006:515:08
6:52
#4326
23M
23.00 mi12:43:342:38:086:539:08
7:18
#4406
24M
24.00 mi12:50:492:45:236:537:15
7:15
#4498
40K
24.85 mi12:57:182:51:526:556:29
7:35
#4572
25.2M
25.20 mi13:00:142:54:486:562:56
8:30
#4630
Finish
26.22 mi13:08:073:02:416:587:53
7:44
#4761
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi38882332334619(Top 17%)301(Top 3%)301(Top 6%)
10K6.21 mi3.10 mi4260-372263-30263-304679(Top 18%)317(Top 3%)317(Top 6%)
15K9.32 mi3.11 mi4371-111276-13276-134619(Top 17%)301(Top 3%)301(Top 6%)
20K12.43 mi3.11 mi4389-18278-2278-24573(Top 17%)310(Top 3%)310(Top 6%)
Half13.11 mi0.68 mi4471-82284-6284-65828(Top 22%)466(Top 4%)466(Top 10%)
25K15.53 mi2.42 mi4463+8283+1283+14686(Top 18%)330(Top 3%)330(Top 7%)
30K18.64 mi3.11 mi4337+126272+11272+113965(Top 15%)257(Top 2%)257(Top 5%)
20M20.00 mi1.36 mi4301+36273-1273-14144(Top 16%)313(Top 3%)313(Top 6%)
21M21.00 mi1.00 mi4327-26280-7280-74686(Top 18%)437(Top 4%)437(Top 9%)
35K21.75 mi0.75 mi4326+1282-2282-24604(Top 17%)411(Top 4%)411(Top 8%)
23M23.00 mi1.25 mi4406-80288-6288-65302(Top 20%)610(Top 5%)610(Top 12%)
24M24.00 mi1.00 mi4498-92300-12300-126054(Top 23%)902(Top 8%)902(Top 18%)
40K24.85 mi0.85 mi4572-74316-16316-167228(Top 27%)1447(Top 13%)1447(Top 30%)
25.2M25.20 mi0.35 mi4630-58326-10326-109580(Top 36%)2463(Top 22%)2463(Top 50%)
Finish26.22 mi1.02 mi4761-131361-35361-3510211(Top 38%)2788(Top 24%)2788(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4619

Females

301

F18-39

301

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4679

Females

317

F18-39

317

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4619

Females

301

F18-39

301

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4573

Females

310

F18-39

310

20K→Half

12.4 - 13.1 mi

Top 22%
×2story building
+19ft-37ft

Overall

5828

Females

466

F18-39

466

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4686

Females

330

F18-39

330

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

3965

Females

257

F18-39

257

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4144

Females

313

F18-39

313

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4686

Females

437

F18-39

437

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4604

Females

411

F18-39

411

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5302

Females

610

F18-39

610

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6054

Females

902

F18-39

902

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7228

Females

1447

F18-39

1447

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9580

Females

2463

F18-39

2463

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10211

Females

2788

F18-39

2788

Passing Analysis

Category:
Athletes Passed
844
Passed By
1717
Net Change
-873
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3888
5K → 10K85457-372#3888#4260
10K → 15K90201-111#4260#4371
15K → 20K98116-18#4371#4389
20K → Half486-82#4389#4471
Half → 25K8880+8#4471#4463
25K → 30K18054+126#4463#4337
30K → 20M7842+36#4337#4301
20M → 21M5884-26#4301#4327
21M → 35K3837+1#4327#4326
35K → 23M55135-80#4326#4406
23M → 24M18110-92#4406#4498
24M → 40K28102-74#4498#4572
40K → 25.2M563-58#4572#4630
25.2M → Finish19150-131#4630#4761
TOTALS8441717-873
📊

Passing Visuals

Category:
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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