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BOSTON MARATHON 2023

Nicole Griffiths

Bib: 11702•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
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
21:39
Rank: #6072
Start → 5K
21:39 | 6:58/mi
10K· 6.21 mi
42:12
Rank: #4904 (+1168)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:02:53
Rank: #4479 (+425)
10K → 15K
20:41 | 6:39/mi
20K· 12.43 mi
1:24:01
Rank: #4462 (+17)
15K → 20K
21:08 | 6:48/mi
Half· 13.11 mi
1:28:37
Rank: #4470 (-8)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:18
Rank: #4496 (-26)
Half → 25K
16:41 | 6:53/mi
30K· 18.64 mi
2:07:27
Rank: #4646 (-150)
25K → 30K
22:09 | 7:08/mi
20M
2:17:17
Rank: #4709 (-63)
30K → 20M
9:50 | 7:14/mi
21M
2:24:59
Rank: #4763 (-54)
20M → 21M
7:42 | 7:42/mi
35K· 21.75 mi
2:30:10
Rank: #4750 (+13)
21M → 35K
5:11 | 6:56/mi
23M
2:39:06
Rank: #4707 (+43)
35K → 23M
8:56 | 7:08/mi
24M
2:46:09
Rank: #4693 (+14)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:52:12
Rank: #4660 (+33)
24M → 40K
6:03 | 7:05/mi
25.2M
2:54:55
Rank: #4658 (+2)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
3:02:03
Rank: #4628 (+30)
25.2M → Finish
7:08 | 7:00/mi

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
Time1:33:26
Pace7:08 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2421:396:5821:39
6:58
-
10K
6.21 mi11:08:5742:126:4720:33
6:37
-0:21
15K
9.32 mi11:29:381:02:536:4520:41
6:39
+0:02
20K
12.43 mi11:50:461:24:016:4621:08
6:48
+0:09
Half
13.11 mi11:55:221:28:376:464:36
6:45
-0:03
25K
15.53 mi12:12:031:45:186:4716:41
6:53
+0:08
30K
18.64 mi12:34:122:07:276:5022:09
7:08
+0:15
20M
20.00 mi12:44:022:17:176:529:50
7:14
+0:06
21M
21.00 mi12:51:442:24:596:547:42
7:42
+0:28
35K
21.75 mi12:56:552:30:106:545:11
6:56
-0:46
23M
23.00 mi13:05:512:39:066:558:56
7:08
+0:12
24M
24.00 mi13:12:542:46:096:557:03
7:03
-0:05
40K
24.85 mi13:18:572:52:126:566:03
7:05
+0:02
25.2M
25.20 mi13:21:402:54:556:562:43
7:53
+0:48
Finish
26.22 mi13:28:483:02:036:577:08
7:00
-0:53

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

6:37 /mi

Average Pace

6:57 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:51:38

94% of race

Time at Steady Pace

7:42

4% of race

Time at Slower Pace

2:43

1% of race

Average Pace: 6:57 /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 mi10:48:2421:396:5821:39
6:58
#6072
10K
6.21 mi11:08:5742:126:4720:33
6:37
#4904
15K
9.32 mi11:29:381:02:536:4520:41
6:39
#4479
20K
12.43 mi11:50:461:24:016:4621:08
6:48
#4462
Half
13.11 mi11:55:221:28:376:464:36
6:45
#4470
25K
15.53 mi12:12:031:45:186:4716:41
6:53
#4496
30K
18.64 mi12:34:122:07:276:5022:09
7:08
#4646
20M
20.00 mi12:44:022:17:176:529:50
7:14
#4709
21M
21.00 mi12:51:442:24:596:547:42
7:42
#4763
35K
21.75 mi12:56:552:30:106:545:11
6:56
#4750
23M
23.00 mi13:05:512:39:066:558:56
7:08
#4707
24M
24.00 mi13:12:542:46:096:557:03
7:03
#4693
40K
24.85 mi13:18:572:52:126:566:03
7:05
#4660
25.2M
25.20 mi13:21:402:54:556:562:43
7:53
#4658
Finish
26.22 mi13:28:483:02:036:577:08
7:00
#4628
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi60725175173766(Top 14%)215(Top 2%)215(Top 4%)
10K6.21 mi3.10 mi4904+1168345+172345+1723616(Top 14%)199(Top 2%)199(Top 4%)
15K9.32 mi3.11 mi4479+425288+57288+573766(Top 14%)215(Top 2%)215(Top 4%)
20K12.43 mi3.11 mi4462+17285+3285+34478(Top 17%)298(Top 3%)298(Top 6%)
Half13.11 mi0.68 mi4470-8283+2283+24854(Top 18%)348(Top 3%)348(Top 7%)
25K15.53 mi2.42 mi4496-26289-6289-64839(Top 18%)355(Top 3%)355(Top 7%)
30K18.64 mi3.11 mi4646-150309-20309-205093(Top 19%)412(Top 4%)412(Top 8%)
20M20.00 mi1.36 mi4709-63318-9318-95315(Top 20%)523(Top 5%)523(Top 11%)
21M21.00 mi1.00 mi4763-54329-11329-115638(Top 21%)699(Top 6%)699(Top 14%)
35K21.75 mi0.75 mi4750+13327+2327+24978(Top 19%)493(Top 4%)493(Top 10%)
23M23.00 mi1.25 mi4707+43328-1328-14503(Top 17%)414(Top 4%)414(Top 8%)
24M24.00 mi1.00 mi4693+143283284937(Top 19%)547(Top 5%)547(Top 11%)
40K24.85 mi0.85 mi4660+33329-1329-14274(Top 16%)465(Top 4%)465(Top 10%)
25.2M25.20 mi0.35 mi4658+2333-4333-45850(Top 22%)981(Top 9%)981(Top 20%)
Finish26.22 mi1.02 mi4628+30337-4337-45233(Top 20%)793(Top 7%)793(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3766

Females

215

F18-39

215

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3616

Females

199

F18-39

199

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3766

Females

215

F18-39

215

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4478

Females

298

F18-39

298

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4854

Females

348

F18-39

348

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

4839

Females

355

F18-39

355

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5093

Females

412

F18-39

412

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5315

Females

523

F18-39

523

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5638

Females

699

F18-39

699

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

4978

Females

493

F18-39

493

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4503

Females

414

F18-39

414

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4937

Females

547

F18-39

547

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4274

Females

465

F18-39

465

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5850

Females

981

F18-39

981

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5233

Females

793

F18-39

793

Passing Analysis

Category:
Athletes Passed
2324
Passed By
880
Net Change
+1444
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6072
5K → 10K11768+1168#6072#4904
10K → 15K43712+425#4904#4479
15K → 20K11396+17#4479#4462
20K → Half2432-8#4462#4470
Half → 25K75101-26#4470#4496
25K → 30K84234-150#4496#4646
30K → 20M50113-63#4646#4709
20M → 21M3690-54#4709#4763
21M → 35K4936+13#4763#4750
35K → 23M8643+43#4750#4707
23M → 24M5844+14#4707#4693
24M → 40K5724+33#4693#4660
40K → 25.2M1816+2#4660#4658
25.2M → Finish6131+30#4658#4628
TOTALS2324880+1444
📊

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