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BOSTON MARATHON 2023

Michelle Nolen

Bib: 26024•F

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
9:46/mi
30:20
↑ 97↓ 3451.5%
10K· 6.21 mi
9:46/mi
1:00:40
↑ 79↓ 1380.4%
15K· 9.32 mi
10:12/mi
1:32:21
↑ 67↓ 78
20K· 12.43 mi
10:44/mi
2:05:42
↑ 106↓ 860.1%
Half· 13.11 mi
10:44/mi
2:13:01
↑ 19↓ 370.5%
25K· 15.53 mi
10:44/mi
2:39:03
↑ 66↓ 880.2%
30K· 18.64 mi
11:56/mi
3:16:08
↑ 181↓ 1480.2%
20M
11:56/mi
3:32:21
↑ 64↓ 500.2%
21M
11:56/mi
3:44:17
↑ 106↓ 241.6%
35K· 21.75 mi
11:14/mi
3:52:41
↑ 17↓ 861.7%
23M
11:14/mi
4:06:44
↑ 23↓ 630.6%
24M
11:14/mi
4:17:58
↓ 821.3%
40K· 24.85 mi
11:14/mi
4:27:33
↓ 200.3%
25.2M
11:14/mi
4:31:26
↑ 13↓ 160.2%
Finish· 26.22 mi
11:14/mi
4:42:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:01
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:29:51
Pace11:26 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5330:209:4630:20
9:46
-
10K
6.21 mi12:23:131:00:409:4630:20
9:46
0:00
15K
9.32 mi12:54:541:32:219:5431:41
10:12
+0:26
20K
12.43 mi13:28:152:05:4210:0733:21
10:44
+0:32
Half
13.11 mi13:35:342:13:0110:097:19
10:44
0:00
25K
15.53 mi14:01:362:39:0310:1426:02
10:44
0:00
30K
18.64 mi14:38:413:16:0810:3137:05
11:56
+1:12
20M
20.00 mi14:54:543:32:2110:3716:13
11:56
0:00
21M
21.00 mi15:06:503:44:1710:4111:56
11:56
0:00
35K
21.75 mi15:15:143:52:4110:428:24
11:14
-0:42
23M
23.00 mi15:29:174:06:4410:4414:03
11:14
0:00
24M
24.00 mi15:40:314:17:5810:4511:13
11:14
0:00
40K
24.85 mi15:50:064:27:3310:469:36
11:14
0:00
25.2M
25.20 mi15:53:594:31:2610:463:52
11:14
0:00
Finish
26.22 mi16:05:254:42:5210:4811:26
11:14
0:00

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

9:46 /mi

Average Pace

10:48 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:03

56% of race

Time at Steady Pace

58:35

21% of race

Time at Slower Pace

1:05:14

23% of race

Average Pace: 10:47 /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 mi11:52:5330:209:4630:20
9:46
#22821
10K
6.21 mi12:23:131:00:409:4630:20
9:46
#23081
15K
9.32 mi12:54:541:32:219:5431:41
10:12
#23397
20K
12.43 mi13:28:152:05:4210:0733:21
10:44
#23676
Half
13.11 mi13:35:342:13:0110:097:19
10:44
#23712
25K
15.53 mi14:01:362:39:0310:1426:02
10:44
#23668
30K
18.64 mi14:38:413:16:0810:3137:05
11:56
#23852
20M
20.00 mi14:54:543:32:2110:3716:13
11:56
#23886
21M
21.00 mi15:06:503:44:1710:4111:56
11:56
#23829
35K
21.75 mi15:15:143:52:4110:428:24
11:14
#23823
23M
23.00 mi15:29:174:06:4410:4414:03
11:14
#23785
24M
24.00 mi15:40:314:17:5810:4511:13
11:14
#23775
40K
24.85 mi15:50:064:27:3310:469:36
11:14
#23738
25.2M
25.20 mi15:53:594:31:2610:463:52
11:14
#23709
Finish
26.22 mi16:05:254:42:5210:4811:26
11:14
#23745
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi228219289928923878(Top 90%)9830(Top 86%)9830(Top 541%)
10K6.21 mi3.10 mi23081-2609408-1199408-11923205(Top 87%)9448(Top 83%)9448(Top 520%)
15K9.32 mi3.11 mi23397-3169557-1499557-14923878(Top 90%)9830(Top 86%)9830(Top 541%)
20K12.43 mi3.11 mi23676-2799714-1579714-15724229(Top 91%)10050(Top 88%)10050(Top 553%)
Half13.11 mi0.68 mi23712-369732-189732-1824577(Top 92%)10261(Top 90%)10261(Top 565%)
25K15.53 mi2.42 mi23668+449717+159717+1523564(Top 89%)9713(Top 85%)9713(Top 535%)
30K18.64 mi3.11 mi23852-1849838-1219838-12124419(Top 92%)10234(Top 90%)10234(Top 563%)
20M20.00 mi1.36 mi23886-349860-229860-2224129(Top 91%)10148(Top 89%)10148(Top 559%)
21M21.00 mi1.00 mi23829+579843+179843+1722635(Top 85%)9355(Top 82%)9355(Top 515%)
35K21.75 mi0.75 mi23823+69845-29845-223676(Top 89%)9982(Top 87%)9982(Top 549%)
23M23.00 mi1.25 mi23785+389833+129833+1222774(Top 86%)9480(Top 83%)9480(Top 522%)
24M24.00 mi1.00 mi23775+109836-39836-323450(Top 88%)9878(Top 86%)9878(Top 544%)
40K24.85 mi0.85 mi23738+379823+139823+1322772(Top 86%)9541(Top 84%)9541(Top 525%)
25.2M25.20 mi0.35 mi23709+299811+129811+1220999(Top 79%)8605(Top 75%)8605(Top 474%)
Finish26.22 mi1.02 mi23745-369838-279838-2724339(Top 91%)10327(Top 90%)10327(Top 568%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21story building
+97ft-345ft

Overall

23878

Females

9830

F45-49

9830

5K→10K

3.1 - 6.2 mi

Top 87%
×5story building
+79ft-138ft

Overall

23205

Females

9448

F45-49

9448

10K→15K

6.2 - 9.3 mi

Top 90%
×3story building
+67ft-78ft

Overall

23878

Females

9830

F45-49

9830

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24229

Females

10050

F45-49

10050

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24577

Females

10261

F45-49

10261

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

23564

Females

9713

F45-49

9713

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24419

Females

10234

F45-49

10234

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24129

Females

10148

F45-49

10148

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

22635

Females

9355

F45-49

9355

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

23676

Females

9982

F45-49

9982

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

22774

Females

9480

F45-49

9480

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23450

Females

9878

F45-49

9878

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22772

Females

9541

F45-49

9541

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20999

Females

8605

F45-49

8605

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24339

Females

10327

F45-49

10327

Passing Analysis

Category:
Athletes Passed
720
Passed By
1644
Net Change
-924
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22821
5K → 10K124384-260#22821#23081
10K → 15K55371-316#23081#23397
15K → 20K46325-279#23397#23676
20K → Half1147-36#23676#23712
Half → 25K10157+44#23712#23668
25K → 30K50234-184#23668#23852
30K → 20M3266-34#23852#23886
20M → 21M8326+57#23886#23829
21M → 35K3024+6#23829#23823
35K → 23M6123+38#23823#23785
23M → 24M3323+10#23785#23775
24M → 40K447+37#23775#23738
40K → 25.2M356+29#23738#23709
25.2M → Finish1551-36#23709#23745
TOTALS7201644-924
📊

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