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BOSTON MARATHON 2023

Michelle Probert

Bib: 19536•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Masters (Masters Women)
#0 / 6539
Top 16%
Division (F40-44)
#0 / 1878
Top 30%
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
8:19/mi
25:50
↑ 97↓ 3451.5%
10K· 6.21 mi
8:03/mi
50:51
↑ 79↓ 1380.4%
15K· 9.32 mi
8:02/mi
1:15:50
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:40:40
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:45:58
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
2:05:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:30:04
↑ 181↓ 1480.2%
20M
8:13/mi
2:41:14
↑ 64↓ 500.2%
21M
8:13/mi
2:49:27
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:55:12
↑ 17↓ 861.7%
23M
7:52/mi
3:05:03
↑ 23↓ 630.6%
24M
7:46/mi
3:12:49
↓ 821.3%
40K· 24.85 mi
7:51/mi
3:19:32
↓ 200.3%
25.2M
8:30/mi
3:22:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:30:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:45:58
Pace8:05 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:44:17
Pace7:57 /mi
📊Negative Split: 1.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3925:508:1925:50
8:19
-
10K
6.21 mi11:42:4050:518:1125:01
8:03
-0:16
15K
9.32 mi12:07:391:15:508:0824:59
8:02
-0:01
20K
12.43 mi12:32:291:40:408:0624:50
8:00
-0:02
Half
13.11 mi12:37:471:45:588:055:18
7:46
-0:14
25K
15.53 mi12:57:012:05:128:0419:14
7:56
+0:10
30K
18.64 mi13:21:532:30:048:0324:52
8:00
+0:04
20M
20.00 mi13:33:032:41:148:0411:10
8:13
+0:13
21M
21.00 mi13:41:162:49:278:048:13
8:13
0:00
35K
21.75 mi13:47:012:55:128:035:45
7:41
-0:32
23M
23.00 mi13:56:523:05:038:039:51
7:52
+0:11
24M
24.00 mi14:04:383:12:498:027:46
7:46
-0:06
40K
24.85 mi14:11:213:19:328:026:43
7:51
+0:05
25.2M
25.20 mi14:14:173:22:288:022:56
8:30
+0:39
Finish
26.22 mi14:22:043:30:158:017:47
7:38
-0:52

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

7:38 /mi

Average Pace

8:01 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:19

99% of race

Time at Steady Pace

2:56

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:17:3925:508:1925:50
8:19
#16255
10K
6.21 mi11:42:4050:518:1125:01
8:03
#15705
15K
9.32 mi12:07:391:15:508:0824:59
8:02
#15390
20K
12.43 mi12:32:291:40:408:0624:50
8:00
#14865
Half
13.11 mi12:37:471:45:588:055:18
7:46
#14754
25K
15.53 mi12:57:012:05:128:0419:14
7:56
#14337
30K
18.64 mi13:21:532:30:048:0324:52
8:00
#13673
20M
20.00 mi13:33:032:41:148:0411:10
8:13
#13527
21M
21.00 mi13:41:162:49:278:048:13
8:13
#13197
35K
21.75 mi13:47:012:55:128:035:45
7:41
#13060
23M
23.00 mi13:56:523:05:038:039:51
7:52
#12808
24M
24.00 mi14:04:383:12:498:027:46
7:46
#12646
40K
24.85 mi14:11:213:19:328:026:43
7:51
#12502
25.2M
25.20 mi14:14:173:22:288:022:56
8:30
#12454
Finish
26.22 mi14:22:043:30:158:017:47
7:38
#12341
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi162555436543614731(Top 55%)4520(Top 40%)4520(Top 241%)
10K6.21 mi3.10 mi15705+5505094+3425094+34215186(Top 57%)4781(Top 42%)4781(Top 255%)
15K9.32 mi3.11 mi15390+3154906+1884906+18814731(Top 55%)4520(Top 40%)4520(Top 241%)
20K12.43 mi3.11 mi14865+5254594+3124594+31213367(Top 50%)3739(Top 33%)3739(Top 199%)
Half13.11 mi0.68 mi14754+1114529+654529+6512515(Top 47%)3218(Top 28%)3218(Top 171%)
25K15.53 mi2.42 mi14337+4174305+2244305+22412179(Top 46%)3181(Top 28%)3181(Top 169%)
30K18.64 mi3.11 mi13673+6643941+3643941+36410960(Top 41%)2621(Top 23%)2621(Top 140%)
20M20.00 mi1.36 mi13527+1463875+663875+6611852(Top 45%)3198(Top 28%)3198(Top 170%)
21M21.00 mi1.00 mi13197+3303688+1873688+1878662(Top 33%)1787(Top 16%)1787(Top 95%)
35K21.75 mi0.75 mi13060+1373632+563632+569899(Top 37%)2324(Top 20%)2324(Top 124%)
23M23.00 mi1.25 mi12808+2523513+1193513+1198906(Top 33%)1988(Top 17%)1988(Top 106%)
24M24.00 mi1.00 mi12646+1623443+703443+709592(Top 36%)2402(Top 21%)2402(Top 128%)
40K24.85 mi0.85 mi12502+1443376+673376+679097(Top 34%)2229(Top 20%)2229(Top 119%)
25.2M25.20 mi0.35 mi12454+483359+173359+179675(Top 36%)2558(Top 22%)2558(Top 136%)
Finish26.22 mi1.02 mi12341+1133316+433316+439584(Top 36%)2514(Top 22%)2514(Top 134%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21story building
+97ft-345ft

Overall

14731

Females

4520

F40-44

4520

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15186

Females

4781

F40-44

4781

10K→15K

6.2 - 9.3 mi

Top 55%
×3story building
+67ft-78ft

Overall

14731

Females

4520

F40-44

4520

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13367

Females

3739

F40-44

3739

20K→Half

12.4 - 13.1 mi

Top 47%
×2story building
+19ft-37ft

Overall

12515

Females

3218

F40-44

3218

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

12179

Females

3181

F40-44

3181

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

10960

Females

2621

F40-44

2621

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

11852

Females

3198

F40-44

3198

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8662

Females

1787

F40-44

1787

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9899

Females

2324

F40-44

2324

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8906

Females

1988

F40-44

1988

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9592

Females

2402

F40-44

2402

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9097

Females

2229

F40-44

2229

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9675

Females

2558

F40-44

2558

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9584

Females

2514

F40-44

2514

Passing Analysis

Category:
Athletes Passed
4221
Passed By
307
Net Change
+3914
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16255
5K → 10K663113+550#16255#15705
10K → 15K38267+315#15705#15390
15K → 20K54318+525#15390#14865
20K → Half1132+111#14865#14754
Half → 25K42710+417#14754#14337
25K → 30K6684+664#14337#13673
30K → 20M17125+146#13673#13527
20M → 21M3333+330#13527#13197
21M → 35K14710+137#13197#13060
35K → 23M2553+252#13060#12808
23M → 24M1719+162#12808#12646
24M → 40K1517+144#12646#12502
40K → 25.2M5911+48#12502#12454
25.2M → Finish13825+113#12454#12341
TOTALS4221307+3914
📊

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