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BOSTON MARATHON 2023

Rachel Norton

Bib: 6194•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 12%
Gender (Female)
#0 / 11423
Top 2%
Division (F18-39)
#0 / 4884
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:47/mi
21:05
↑ 97↓ 3451.5%
10K· 6.21 mi
6:44/mi
41:59
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:02:57
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:24:07
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:28:42
↑ 19↓ 370.5%
25K· 15.53 mi
6:47/mi
1:45:09
↑ 66↓ 880.2%
30K· 18.64 mi
6:47/mi
2:06:12
↑ 181↓ 1480.2%
20M
6:49/mi
2:15:28
↑ 64↓ 500.2%
21M
6:49/mi
2:22:17
↑ 106↓ 241.6%
35K· 21.75 mi
6:49/mi
2:27:23
↑ 17↓ 861.7%
23M
6:48/mi
2:35:54
↑ 23↓ 630.6%
24M
6:39/mi
2:42:33
↓ 821.3%
40K· 24.85 mi
6:39/mi
2:48:14
↓ 200.3%
25.2M
7:03/mi
2:50:40
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
2:57:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:28:42
Pace6:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:39
Pace6:46 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2021:056:4721:05
6:47
-
10K
6.21 mi10:45:1441:596:4520:54
6:44
-0:03
15K
9.32 mi11:06:121:02:576:4520:58
6:45
+0:01
20K
12.43 mi11:27:221:24:076:4621:10
6:49
+0:04
Half
13.11 mi11:31:571:28:426:464:35
6:43
-0:06
25K
15.53 mi11:48:241:45:096:4616:27
6:47
+0:04
30K
18.64 mi12:09:272:06:126:4621:03
6:47
0:00
20M
20.00 mi12:18:432:15:286:469:16
6:49
+0:02
21M
21.00 mi12:25:322:22:176:476:49
6:49
0:00
35K
21.75 mi12:30:382:27:236:475:06
6:49
0:00
23M
23.00 mi12:39:092:35:546:478:31
6:48
-0:01
24M
24.00 mi12:45:482:42:336:466:39
6:39
-0:09
40K
24.85 mi12:51:292:48:146:465:41
6:39
0:00
25.2M
25.20 mi12:53:552:50:406:462:26
7:03
+0:24
Finish
26.22 mi13:00:362:57:216:466:41
6:34
-0:29

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

6:34 /mi

Average Pace

6:46 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:55

99% of race

Time at Steady Pace

2:26

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:24:2021:056:4721:05
6:47
#4569
10K
6.21 mi10:45:1441:596:4520:54
6:44
#4576
15K
9.32 mi11:06:121:02:576:4520:58
6:45
#4554
20K
12.43 mi11:27:221:24:076:4621:10
6:49
#4546
Half
13.11 mi11:31:571:28:426:464:35
6:43
#4523
25K
15.53 mi11:48:241:45:096:4616:27
6:47
#4398
30K
18.64 mi12:09:272:06:126:4621:03
6:47
#4045
20M
20.00 mi12:18:432:15:286:469:16
6:49
#3896
21M
21.00 mi12:25:322:22:176:476:49
6:49
#3658
35K
21.75 mi12:30:382:27:236:475:06
6:49
#3677
23M
23.00 mi12:39:092:35:546:478:31
6:48
#3551
24M
24.00 mi12:45:482:42:336:466:39
6:39
#3497
40K
24.85 mi12:51:292:48:146:465:41
6:39
#3412
25.2M
25.20 mi12:53:552:50:406:462:26
7:03
#3360
Finish
26.22 mi13:00:362:57:216:466:41
6:34
#3292
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi45693023024618(Top 17%)300(Top 3%)300(Top 6%)
10K6.21 mi3.10 mi4576-7297+5297+54628(Top 17%)307(Top 3%)307(Top 6%)
15K9.32 mi3.11 mi4554+22296+1296+14618(Top 17%)300(Top 3%)300(Top 6%)
20K12.43 mi3.11 mi4546+82962964570(Top 17%)307(Top 3%)307(Top 6%)
Half13.11 mi0.68 mi4523+23293+3293+34615(Top 17%)308(Top 3%)308(Top 6%)
25K15.53 mi2.42 mi4398+125280+13280+134037(Top 15%)247(Top 2%)247(Top 5%)
30K18.64 mi3.11 mi4045+353238+42238+422845(Top 11%)147(Top 1%)147(Top 3%)
20M20.00 mi1.36 mi3896+149223+15223+152898(Top 11%)172(Top 2%)172(Top 4%)
21M21.00 mi1.00 mi3658+238196+27196+271484(Top 6%)69(Top 0.6%)69(Top 1%)
35K21.75 mi0.75 mi3677-19204-8204-84369(Top 16%)378(Top 3%)378(Top 8%)
23M23.00 mi1.25 mi3551+126194+10194+102699(Top 10%)168(Top 1%)168(Top 3%)
24M24.00 mi1.00 mi3497+54190+4190+42797(Top 11%)197(Top 2%)197(Top 4%)
40K24.85 mi0.85 mi3412+85186+4186+42150(Top 8%)149(Top 1%)149(Top 3%)
25.2M25.20 mi0.35 mi3360+52183+3183+32013(Top 8%)125(Top 1%)125(Top 3%)
Finish26.22 mi1.02 mi3292+68176+7176+72794(Top 10%)243(Top 2%)243(Top 5%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21story building
+97ft-345ft

Overall

4618

Females

300

F18-39

300

5K→10K

3.1 - 6.2 mi

Top 17%
×5story building
+79ft-138ft

Overall

4628

Females

307

F18-39

307

10K→15K

6.2 - 9.3 mi

Top 17%
×3story building
+67ft-78ft

Overall

4618

Females

300

F18-39

300

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4570

Females

307

F18-39

307

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4615

Females

308

F18-39

308

Half→25K

13.1 - 15.5 mi

Top 15%
×4story building
+66ft-88ft

Overall

4037

Females

247

F18-39

247

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

2845

Females

147

F18-39

147

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

2898

Females

172

F18-39

172

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1484

Females

69

F18-39

69

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4369

Females

378

F18-39

378

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2699

Females

168

F18-39

168

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

2797

Females

197

F18-39

197

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2150

Females

149

F18-39

149

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2013

Females

125

F18-39

125

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2794

Females

243

F18-39

243

Passing Analysis

Category:
Athletes Passed
1850
Passed By
573
Net Change
+1277
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4569
5K → 10K203210-7#4569#4576
10K → 15K133111+22#4576#4554
15K → 20K10496+8#4554#4546
20K → Half3411+23#4546#4523
Half → 25K15227+125#4523#4398
25K → 30K3607+353#4398#4045
30K → 20M1578+149#4045#3896
20M → 21M2391+238#3896#3658
21M → 35K2241-19#3658#3677
35K → 23M13812+126#3677#3551
23M → 24M6713+54#3551#3497
24M → 40K938+85#3497#3412
40K → 25.2M553+52#3412#3360
25.2M → Finish9325+68#3360#3292
TOTALS1850573+1277
📊

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