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BOSTON MARATHON 2023

Anne Barros

Bib: 9878•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 8%
Masters (Masters Women)
#0 / 6539
Top 3%
Division (F40-44)
#0 / 1878
Top 6%
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
7:24/mi
22:59
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
45:08
↑ 79↓ 1380.4%
15K· 9.32 mi
7:06/mi
1:07:12
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:29:46
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:34:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:04/mi
1:51:50
↑ 66↓ 880.2%
30K· 18.64 mi
7:22/mi
2:14:42
↑ 181↓ 1480.2%
20M
7:33/mi
2:24:57
↑ 64↓ 500.2%
21M
7:51/mi
2:32:48
↑ 106↓ 241.6%
35K· 21.75 mi
7:16/mi
2:38:14
↑ 17↓ 861.7%
23M
7:32/mi
2:47:40
↑ 23↓ 630.6%
24M
7:20/mi
2:55:00
↓ 821.3%
40K· 24.85 mi
7:29/mi
3:01:24
↓ 200.3%
25.2M
8:33/mi
3:04:21
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:12:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:41
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:37:19
Pace7:25 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3822:597:2422:59
7:24
-
10K
6.21 mi11:14:4745:087:1622:09
7:08
-0:16
15K
9.32 mi11:36:511:07:127:1322:04
7:06
-0:02
20K
12.43 mi11:59:251:29:467:1322:34
7:16
+0:10
Half
13.11 mi12:04:201:34:417:134:55
7:12
-0:04
25K
15.53 mi12:21:291:51:507:1217:09
7:04
-0:08
30K
18.64 mi12:44:212:14:427:1422:52
7:22
+0:18
20M
20.00 mi12:54:362:24:577:1510:15
7:33
+0:11
21M
21.00 mi13:02:272:32:487:177:51
7:51
+0:18
35K
21.75 mi13:07:532:38:147:175:26
7:16
-0:35
23M
23.00 mi13:17:192:47:407:179:26
7:32
+0:16
24M
24.00 mi13:24:392:55:007:187:20
7:20
-0:12
40K
24.85 mi13:31:033:01:247:186:24
7:29
+0:09
25.2M
25.20 mi13:34:003:04:217:192:57
8:33
+1:04
Finish
26.22 mi13:41:393:12:007:207:39
7:30
-1:03

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

7:04 /mi

Average Pace

7:20 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:22

32% of race

Time at Steady Pace

1:49:35

57% of race

Time at Slower Pace

21:03

11% of race

Average Pace: 7:19 /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 mi10:52:3822:597:2422:59
7:24
#8815
10K
6.21 mi11:14:4745:087:1622:09
7:08
#8204
15K
9.32 mi11:36:511:07:127:1322:04
7:06
#7817
20K
12.43 mi11:59:251:29:467:1322:34
7:16
#7721
Half
13.11 mi12:04:201:34:417:134:55
7:12
#7716
25K
15.53 mi12:21:291:51:507:1217:09
7:04
#7372
30K
18.64 mi12:44:212:14:427:1422:52
7:22
#7133
20M
20.00 mi12:54:362:24:577:1510:15
7:33
#7104
21M
21.00 mi13:02:272:32:487:177:51
7:51
#7017
35K
21.75 mi13:07:532:38:147:175:26
7:16
#6995
23M
23.00 mi13:17:192:47:407:179:26
7:32
#6934
24M
24.00 mi13:24:392:55:007:187:20
7:20
#6885
40K
24.85 mi13:31:033:01:247:186:24
7:29
#6848
25.2M
25.20 mi13:34:003:04:217:192:57
8:33
#6867
Finish
26.22 mi13:41:393:12:007:207:39
7:30
#6903
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi8815131913197177(Top 27%)802(Top 7%)802(Top 43%)
10K6.21 mi3.10 mi8204+6111107+2121107+2127623(Top 29%)924(Top 8%)924(Top 49%)
15K9.32 mi3.11 mi7817+387971+136971+1367177(Top 27%)802(Top 7%)802(Top 43%)
20K12.43 mi3.11 mi7721+96950+21950+217539(Top 28%)944(Top 8%)944(Top 50%)
Half13.11 mi0.68 mi7716+5954-4954-47951(Top 30%)1060(Top 9%)1060(Top 56%)
25K15.53 mi2.42 mi7372+344854+100854+1006001(Top 23%)554(Top 5%)554(Top 29%)
30K18.64 mi3.11 mi7133+239810+44810+446380(Top 24%)732(Top 6%)732(Top 39%)
20M20.00 mi1.36 mi7104+29812-2812-27101(Top 27%)1051(Top 9%)1051(Top 56%)
21M21.00 mi1.00 mi7017+87804+8804+86474(Top 24%)938(Top 8%)938(Top 50%)
35K21.75 mi0.75 mi6995+22806-2806-26929(Top 26%)1070(Top 9%)1070(Top 57%)
23M23.00 mi1.25 mi6934+61820-14820-146644(Top 25%)1035(Top 9%)1035(Top 55%)
24M24.00 mi1.00 mi6885+49824-4824-46627(Top 25%)1109(Top 10%)1109(Top 59%)
40K24.85 mi0.85 mi6848+37832-8832-86657(Top 25%)1223(Top 11%)1223(Top 65%)
25.2M25.20 mi0.35 mi6867-19847-15847-159889(Top 37%)2605(Top 23%)2605(Top 139%)
Finish26.22 mi1.02 mi6903-36883-36883-368613(Top 32%)2063(Top 18%)2063(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7177

Females

802

F40-44

802

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7623

Females

924

F40-44

924

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7177

Females

802

F40-44

802

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7539

Females

944

F40-44

944

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7951

Females

1060

F40-44

1060

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6001

Females

554

F40-44

554

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6380

Females

732

F40-44

732

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7101

Females

1051

F40-44

1051

20M→21M

20.0 - 21.0 mi

Top 24%
×8story building
+106ft-24ft

Overall

6474

Females

938

F40-44

938

21M→35K

21.0 - 21.8 mi

Top 26%
×7story building
+17ft-86ft

Overall

6929

Females

1070

F40-44

1070

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6644

Females

1035

F40-44

1035

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6627

Females

1109

F40-44

1109

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6657

Females

1223

F40-44

1223

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9889

Females

2605

F40-44

2605

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8613

Females

2063

F40-44

2063

Passing Analysis

Category:
Athletes Passed
2423
Passed By
511
Net Change
+1912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8815
5K → 10K66857+611#8815#8204
10K → 15K40619+387#8204#7817
15K → 20K15862+96#7817#7721
20K → Half2924+5#7721#7716
Half → 25K3462+344#7716#7372
25K → 30K26324+239#7372#7133
30K → 20M6940+29#7133#7104
20M → 21M11528+87#7104#7017
21M → 35K4624+22#7017#6995
35K → 23M10847+61#6995#6934
23M → 24M7829+49#6934#6885
24M → 40K6629+37#6885#6848
40K → 25.2M3049-19#6848#6867
25.2M → Finish4177-36#6867#6903
TOTALS2423511+1912
📊

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