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BOSTON MARATHON 2023

Moira Nolan

Bib: 26304•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
10:46/mi
33:28
↑ 97↓ 3451.5%
10K· 6.21 mi
10:22/mi
1:05:39
↑ 79↓ 1380.4%
15K· 9.32 mi
10:13/mi
1:37:23
↑ 67↓ 78
20K· 12.43 mi
10:23/mi
2:09:39
↑ 106↓ 860.1%
Half· 13.11 mi
10:02/mi
2:16:30
↑ 19↓ 370.5%
25K· 15.53 mi
10:33/mi
2:42:05
↑ 66↓ 880.2%
30K· 18.64 mi
10:38/mi
3:15:06
↑ 181↓ 1480.2%
20M
10:43/mi
3:29:40
↑ 64↓ 500.2%
21M
11:47/mi
3:41:27
↑ 106↓ 241.6%
35K· 21.75 mi
10:50/mi
3:49:33
↑ 17↓ 861.7%
23M
10:52/mi
4:03:09
↑ 23↓ 630.6%
24M
10:42/mi
4:13:51
↓ 821.3%
40K· 24.85 mi
10:36/mi
4:22:55
↓ 200.3%
25.2M
11:21/mi
4:26:50
↑ 13↓ 160.2%
Finish· 26.22 mi
9:17/mi
4:36:18
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:30
Pace10:25 /mi
2nd Half
Distance13.11 mi
Time2:19:48
Pace10:40 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1733:2810:4633:28
10:46
-
10K
6.21 mi12:22:281:05:3910:3432:11
10:22
-0:24
15K
9.32 mi12:54:121:37:2310:2731:44
10:13
-0:09
20K
12.43 mi13:26:282:09:3910:2632:16
10:23
+0:10
Half
13.11 mi13:33:192:16:3010:256:51
10:02
-0:21
25K
15.53 mi13:58:542:42:0510:2625:35
10:33
+0:31
30K
18.64 mi14:31:553:15:0610:2833:01
10:38
+0:05
20M
20.00 mi14:46:293:29:4010:2914:34
10:43
+0:05
21M
21.00 mi14:58:163:41:2710:3311:47
11:47
+1:04
35K
21.75 mi15:06:223:49:3310:338:06
10:50
-0:57
23M
23.00 mi15:19:584:03:0910:3413:36
10:52
+0:02
24M
24.00 mi15:30:404:13:5110:3510:42
10:42
-0:10
40K
24.85 mi15:39:444:22:5510:359:04
10:36
-0:06
25.2M
25.20 mi15:43:394:26:5010:353:55
11:21
+0:45
Finish
26.22 mi15:53:074:36:1810:339:28
9:17
-2:04

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

9:17 /mi

Average Pace

10:33 /mi

Slowest Pace

11:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

48:03

17% of race

Time at Steady Pace

3:32:33

77% of race

Time at Slower Pace

15:42

6% of race

Average Pace: 10:32 /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 mi11:50:1733:2810:4633:28
10:46
#25318
10K
6.21 mi12:22:281:05:3910:3432:11
10:22
#24840
15K
9.32 mi12:54:121:37:2310:2731:44
10:13
#24540
20K
12.43 mi13:26:282:09:3910:2632:16
10:23
#24296
Half
13.11 mi13:33:192:16:3010:256:51
10:02
#24227
25K
15.53 mi13:58:542:42:0510:2625:35
10:33
#24053
30K
18.64 mi14:31:553:15:0610:2833:01
10:38
#23733
20M
20.00 mi14:46:293:29:4010:2914:34
10:43
#23614
21M
21.00 mi14:58:163:41:2710:3311:47
11:47
#23573
35K
21.75 mi15:06:223:49:3310:338:06
10:50
#23555
23M
23.00 mi15:19:584:03:0910:3413:36
10:52
#23490
24M
24.00 mi15:30:404:13:5110:3510:42
10:42
#23452
40K
24.85 mi15:39:444:22:5510:359:04
10:36
#23377
25.2M
25.20 mi15:43:394:26:5010:353:55
11:21
#23347
Finish
26.22 mi15:53:074:36:1810:339:28
9:17
#23228
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25318106191061923910(Top 90%)9847(Top 86%)9847(Top 202%)
10K6.21 mi3.10 mi24840+47810345+27410345+27424417(Top 92%)10122(Top 89%)10122(Top 207%)
15K9.32 mi3.11 mi24540+30010184+16110184+16123910(Top 90%)9847(Top 86%)9847(Top 202%)
20K12.43 mi3.11 mi24296+24410060+12410060+12423629(Top 89%)9701(Top 85%)9701(Top 199%)
Half13.11 mi0.68 mi24227+6910021+3910021+3923378(Top 88%)9561(Top 84%)9561(Top 196%)
25K15.53 mi2.42 mi24053+1749932+899932+8923283(Top 87%)9545(Top 84%)9545(Top 195%)
30K18.64 mi3.11 mi23733+3209770+1629770+16222472(Top 84%)9166(Top 80%)9166(Top 188%)
20M20.00 mi1.36 mi23614+1199718+529718+5222209(Top 83%)9102(Top 80%)9102(Top 186%)
21M21.00 mi1.00 mi23573+419704+149704+1422405(Top 84%)9230(Top 81%)9230(Top 189%)
35K21.75 mi0.75 mi23555+189696+89696+822986(Top 86%)9584(Top 84%)9584(Top 196%)
23M23.00 mi1.25 mi23490+659676+209676+2022091(Top 83%)9116(Top 80%)9116(Top 187%)
24M24.00 mi1.00 mi23452+389665+119665+1122464(Top 84%)9347(Top 82%)9347(Top 191%)
40K24.85 mi0.85 mi23377+759638+279638+2721488(Top 81%)8896(Top 78%)8896(Top 182%)
25.2M25.20 mi0.35 mi23347+309629+99629+921298(Top 80%)8761(Top 77%)8761(Top 179%)
Finish26.22 mi1.02 mi23228+1199569+609569+6019361(Top 73%)7661(Top 67%)7661(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23910

Females

9847

F18-39

9847

5K→10K

3.1 - 6.2 mi

Top 92%
×5story building
+79ft-138ft

Overall

24417

Females

10122

F18-39

10122

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23910

Females

9847

F18-39

9847

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23629

Females

9701

F18-39

9701

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23378

Females

9561

F18-39

9561

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23283

Females

9545

F18-39

9545

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22472

Females

9166

F18-39

9166

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

22209

Females

9102

F18-39

9102

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22405

Females

9230

F18-39

9230

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22986

Females

9584

F18-39

9584

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22091

Females

9116

F18-39

9116

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22464

Females

9347

F18-39

9347

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21488

Females

8896

F18-39

8896

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21298

Females

8761

F18-39

8761

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19361

Females

7661

F18-39

7661

Passing Analysis

Category:
Athletes Passed
2273
Passed By
183
Net Change
+2090
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25318
5K → 10K51941+478#25318#24840
10K → 15K31515+300#24840#24540
15K → 20K25410+244#24540#24296
20K → Half745+69#24296#24227
Half → 25K20127+174#24227#24053
25K → 30K3266+320#24053#23733
30K → 20M1256+119#23733#23614
20M → 21M6322+41#23614#23573
21M → 35K3113+18#23573#23555
35K → 23M7914+65#23555#23490
23M → 24M4911+38#23490#23452
24M → 40K794+75#23452#23377
40K → 25.2M377+30#23377#23347
25.2M → Finish1212+119#23347#23228
TOTALS2273183+2090
📊

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