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BOSTON MARATHON 2023

Colleen Stone

MI

Bib: 11763 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 15%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F40-44)
#0 / 1878
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:24/mi
22:59
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:19/mi
45:42
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:22/mi
1:08:35
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:33/mi
1:32:03
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:31/mi
1:37:11
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:42/mi
1:55:51
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:55/mi
2:20:27
↑ 181↓ 1480.2%
138 ft elev
20M
7:58/mi
2:31:17
↑ 64↓ 500.2%
148 ft elev
21M
8:21/mi
2:39:38
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:36/mi
2:45:19
↑ 17↓ 861.7%
156 ft elev
23M
7:52/mi
2:55:10
↑ 23↓ 630.6%
116 ft elev
24M
7:40/mi
3:02:50
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:44/mi
3:09:27
↓ 200.3%
20 ft elev
25.2M
8:22/mi
3:12:20
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:29/mi
3:19:58
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:37:117:25 /mi⚡ faster
2nd Half
1:42:477:50 /mi+5.8%
Positive split — 5.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
22:597:243.11 mi22:59
7:24
-
10K
45:427:213.10 mi22:43
7:19
-0:05
15K
1:08:357:213.11 mi22:53
7:22
+0:03
20K
1:32:037:243.11 mi23:28
7:33
+0:11
Half(13.11 mi)
1:37:117:250.68 mi5:08
7:31
-0:02
25K
1:55:517:272.42 mi18:40
7:42
+0:11
30K
2:20:277:323.11 mi24:36
7:55
+0:13
20M
2:31:177:341.36 mi10:50
7:58
+0:03
21M
2:39:387:361.00 mi8:21
8:21
+0:23
35K
2:45:197:360.75 mi5:41
7:36
-0:45
23M
2:55:107:371.25 mi9:51
7:52
+0:16
24M
3:02:507:371.00 mi7:40
7:40
-0:12
40K
3:09:277:370.85 mi6:37
7:44
+0:04
25.2M
3:12:207:380.35 mi2:53
8:22
+0:38
Finish(26.22 mi)
3:19:587:381.02 mi7:38
7:29
-0:53
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:19 /mi

Average Pace

7:38 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:08:44

94% of race

Time at Steady Pace

11:14

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi882313271327906814741474
10K3.10 mi8860-371356-291356-29894313901390
15K3.11 mi8907-471392-361392-36906814741474
20K3.11 mi9056-1491461-691461-69973617991799
Half(13.11 mi)0.68 mi9117-611484-231484-231044020952095
25K2.42 mi9300-1831564-801564-801029221262126
30K3.11 mi9438-1381666-1021666-1021027722892289
20M1.36 mi9480-421698-321698-321007722592259
21M1.00 mi9448+321713-151713-15954521592159
35K0.75 mi9421+271721-81721-8928220352035
23M1.25 mi9335+861706+151706+15888119631963
24M1.00 mi9281+541707-11707-1887520372037
40K0.85 mi9222+591710-31710-3827318551855
25.2M0.35 mi9210+121716-61716-6871621192119
Finish(26.22 mi)1.02 mi9183+271731-151731-15850220232023

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9068

Females

1474

F40-44

1474

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

8943

Females

1390

F40-44

1390

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9068

Females

1474

F40-44

1474

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9736

Females

1799

F40-44

1799

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

10440

Females

2095

F40-44

2095

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

10292

Females

2126

F40-44

2126

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10277

Females

2289

F40-44

2289

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10077

Females

2259

F40-44

2259

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9545

Females

2159

F40-44

2159

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9282

Females

2035

F40-44

2035

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8881

Females

1963

F40-44

1963

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8875

Females

2037

F40-44

2037

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8273

Females

1855

F40-44

1855

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8716

Females

2119

F40-44

2119

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8502

Females

2023

F40-44

2023

Passing Analysis

Category:
Passed
1296
Passed By
1656
Net Change
-360
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8823
5K → 10K247284-37#8823#8860
10K → 15K125172-47#8860#8907
15K → 20K80229-149#8907#9056
20K → Half667-61#9056#9117
Half → 25K75258-183#9117#9300
25K → 30K128266-138#9300#9438
30K → 20M73115-42#9438#9480
20M → 21M9058+32#9480#9448
21M → 35K6538+27#9448#9421
35K → 23M12236+86#9421#9335
23M → 24M9137+54#9335#9281
24M → 40K9132+59#9281#9222
40K → 25.2M3220+12#9222#9210
25.2M → Finish7144+27#9210#9183
TOTALS12961656-360

Passing Charts

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