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BOSTON MARATHON 2023

Ann Roberts

Bib: 22149•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:43
Rank: #21350
Start → 5K
28:43 | 9:15/mi
10K· 6.21 mi
56:22
Rank: #20943 (+407)
5K → 10K
27:39 | 8:54/mi
15K· 9.32 mi
1:24:37
Rank: #20931 (+12)
10K → 15K
28:15 | 9:06/mi
20K· 12.43 mi
1:53:54
Rank: #21053 (-122)
15K → 20K
29:17 | 9:26/mi
Half· 13.11 mi
2:00:03
Rank: #21028 (+25)
20K → Half
6:09 | 9:01/mi
25K· 15.53 mi
2:22:13
Rank: #20785 (+243)
Half → 25K
22:10 | 9:09/mi
30K· 18.64 mi
2:50:18
Rank: #20218 (+567)
25K → 30K
28:05 | 9:02/mi
20M
3:02:21
Rank: #19893 (+325)
30K → 20M
12:03 | 8:52/mi
21M
3:11:32
Rank: #19602 (+291)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
3:17:34
Rank: #19386 (+216)
21M → 35K
6:02 | 8:04/mi
23M
3:28:10
Rank: #19083 (+303)
35K → 23M
10:36 | 8:28/mi
24M
3:36:30
Rank: #18854 (+229)
23M → 24M
8:20 | 8:20/mi
40K· 24.85 mi
3:43:42
Rank: #18661 (+193)
24M → 40K
7:12 | 8:25/mi
25.2M
3:46:52
Rank: #18583 (+78)
40K → 25.2M
3:10 | 9:11/mi
Finish· 26.22 mi
3:55:18
Rank: #18430 (+153)
25.2M → Finish
8:26 | 8:17/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:00:03
Pace9:09 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:55:15
Pace8:47 /mi
📊Negative Split: 4.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3528:439:1528:43
9:15
-
10K
6.21 mi12:12:1456:229:0427:39
8:54
-0:21
15K
9.32 mi12:40:291:24:379:0528:15
9:06
+0:12
20K
12.43 mi13:09:461:53:549:1029:17
9:26
+0:20
Half
13.11 mi13:15:552:00:039:096:09
9:01
-0:25
25K
15.53 mi13:38:052:22:139:0922:10
9:09
+0:08
30K
18.64 mi14:06:102:50:189:0828:05
9:02
-0:07
20M
20.00 mi14:18:133:02:219:0712:03
8:52
-0:10
21M
21.00 mi14:27:243:11:329:079:11
9:11
+0:19
35K
21.75 mi14:33:263:17:349:056:02
8:04
-1:07
23M
23.00 mi14:44:023:28:109:0310:36
8:28
+0:24
24M
24.00 mi14:52:223:36:309:018:20
8:20
-0:08
40K
24.85 mi14:59:343:43:429:007:12
8:25
+0:05
25.2M
25.20 mi15:02:443:46:529:003:10
9:11
+0:46
Finish
26.22 mi15:11:103:55:188:598:26
8:17
-0:54

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

8:04 /mi

Average Pace

8:59 /mi

Slowest Pace

9:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

52:39

22% of race

Time at Steady Pace

3:02:39

78% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:58 /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 mi11:44:3528:439:1528:43
9:15
#21350
10K
6.21 mi12:12:1456:229:0427:39
8:54
#20943
15K
9.32 mi12:40:291:24:379:0528:15
9:06
#20931
20K
12.43 mi13:09:461:53:549:1029:17
9:26
#21053
Half
13.11 mi13:15:552:00:039:096:09
9:01
#21028
25K
15.53 mi13:38:052:22:139:0922:10
9:09
#20785
30K
18.64 mi14:06:102:50:189:0828:05
9:02
#20218
20M
20.00 mi14:18:133:02:219:0712:03
8:52
#19893
21M
21.00 mi14:27:243:11:329:079:11
9:11
#19602
35K
21.75 mi14:33:263:17:349:056:02
8:04
#19386
23M
23.00 mi14:44:023:28:109:0310:36
8:28
#19083
24M
24.00 mi14:52:223:36:309:018:20
8:20
#18854
40K
24.85 mi14:59:343:43:429:007:12
8:25
#18661
25.2M
25.20 mi15:02:443:46:529:003:10
9:11
#18583
Finish
26.22 mi15:11:103:55:188:598:26
8:17
#18430
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi213508551855120921(Top 79%)8192(Top 72%)8192(Top 1005%)
10K6.21 mi3.10 mi20943+4078288+2638288+26320422(Top 77%)7935(Top 69%)7935(Top 974%)
15K9.32 mi3.11 mi20931+128247+418247+4120921(Top 79%)8192(Top 72%)8192(Top 1005%)
20K12.43 mi3.11 mi21053-1228306-598306-5921312(Top 80%)8409(Top 74%)8409(Top 1032%)
Half13.11 mi0.68 mi21028+258284+228284+2220502(Top 77%)7957(Top 70%)7957(Top 976%)
25K15.53 mi2.42 mi20785+2438139+1458139+14519589(Top 74%)7468(Top 65%)7468(Top 916%)
30K18.64 mi3.11 mi20218+5677853+2867853+28617392(Top 65%)6298(Top 55%)6298(Top 773%)
20M20.00 mi1.36 mi19893+3257679+1747679+17415860(Top 60%)5496(Top 48%)5496(Top 674%)
21M21.00 mi1.00 mi19602+2917517+1627517+16214434(Top 54%)4739(Top 41%)4739(Top 581%)
35K21.75 mi0.75 mi19386+2167396+1217396+12112654(Top 48%)3815(Top 33%)3815(Top 468%)
23M23.00 mi1.25 mi19083+3037231+1657231+16513046(Top 49%)4109(Top 36%)4109(Top 504%)
24M24.00 mi1.00 mi18854+2297118+1137118+11313495(Top 51%)4405(Top 39%)4405(Top 540%)
40K24.85 mi0.85 mi18661+1937015+1037015+10312904(Top 48%)4177(Top 37%)4177(Top 513%)
25.2M25.20 mi0.35 mi18583+786975+406975+4013662(Top 51%)4599(Top 40%)4599(Top 564%)
Finish26.22 mi1.02 mi18430+1536898+776898+7714006(Top 53%)4757(Top 42%)4757(Top 584%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20921

Females

8192

F55-59

8192

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20422

Females

7935

F55-59

7935

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20921

Females

8192

F55-59

8192

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21312

Females

8409

F55-59

8409

20K→Half

12.4 - 13.1 mi

Top 77%
×2stories
+19ft-37ft

Overall

20502

Females

7957

F55-59

7957

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19589

Females

7468

F55-59

7468

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

17392

Females

6298

F55-59

6298

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

15860

Females

5496

F55-59

5496

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14434

Females

4739

F55-59

4739

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12654

Females

3815

F55-59

3815

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

13046

Females

4109

F55-59

4109

23M→24M

23.0 - 24.0 mi

Top 51%
×6stories
+12ft-82ft

Overall

13495

Females

4405

F55-59

4405

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12904

Females

4177

F55-59

4177

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13662

Females

4599

F55-59

4599

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14006

Females

4757

F55-59

4757

Passing Analysis

Category:
Athletes Passed
3493
Passed By
573
Net Change
+2920
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21350
5K → 10K529122+407#21350#20943
10K → 15K179167+12#20943#20931
15K → 20K115237-122#20931#21053
20K → Half4116+25#21053#21028
Half → 25K25613+243#21028#20785
25K → 30K5670+567#20785#20218
30K → 20M3261+325#20218#19893
20M → 21M2932+291#19893#19602
21M → 35K2182+216#19602#19386
35K → 23M3030+303#19386#19083
23M → 24M2290+229#19083#18854
24M → 40K1941+193#18854#18661
40K → 25.2M868+78#18661#18583
25.2M → Finish1574+153#18583#18430
TOTALS3493573+2920
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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