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BOSTON MARATHON 2023

Robin Garretson

Bib: 18805•F

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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 34%
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
8:56/mi
27:45
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
55:11
↑ 79↓ 1380.4%
15K· 9.32 mi
8:54/mi
1:22:49
↑ 67↓ 78
20K· 12.43 mi
9:15/mi
1:51:32
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:57:30
↑ 19↓ 370.5%
25K· 15.53 mi
9:02/mi
2:19:24
↑ 66↓ 880.2%
30K· 18.64 mi
9:02/mi
2:47:28
↑ 181↓ 1480.2%
20M
9:01/mi
2:59:43
↑ 64↓ 500.2%
21M
9:46/mi
3:09:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
3:16:01
↑ 17↓ 861.7%
23M
9:02/mi
3:27:20
↑ 23↓ 630.6%
24M
8:36/mi
3:35:56
↓ 821.3%
40K· 24.85 mi
8:46/mi
3:43:26
↓ 200.3%
25.2M
9:23/mi
3:46:40
↑ 13↓ 160.2%
Finish· 26.22 mi
8:22/mi
3:55:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:57:30
Pace8:58 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:57:42
Pace8:59 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0227:458:5627:45
8:56
-
10K
6.21 mi11:50:2855:118:5327:26
8:50
-0:06
15K
9.32 mi12:18:061:22:498:5327:38
8:54
+0:04
20K
12.43 mi12:46:491:51:328:5828:43
9:15
+0:21
Half
13.11 mi12:52:471:57:308:585:58
8:45
-0:30
25K
15.53 mi13:14:412:19:248:5821:54
9:02
+0:17
30K
18.64 mi13:42:452:47:288:5928:04
9:02
0:00
20M
20.00 mi13:55:002:59:438:5912:15
9:01
-0:01
21M
21.00 mi14:04:463:09:299:019:46
9:46
+0:45
35K
21.75 mi14:11:183:16:019:016:32
8:44
-1:02
23M
23.00 mi14:22:373:27:209:0111:19
9:02
+0:18
24M
24.00 mi14:31:133:35:569:008:36
8:36
-0:26
40K
24.85 mi14:38:433:43:268:597:30
8:46
+0:10
25.2M
25.20 mi14:41:573:46:409:003:14
9:23
+0:37
Finish
26.22 mi14:50:293:55:128:598:32
8:22
-1:01

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

8:22 /mi

Average Pace

8:59 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:29

82% of race

Time at Steady Pace

41:43

18% 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 mi11:23:0227:458:5627:45
8:56
#20127
10K
6.21 mi11:50:2855:118:5327:26
8:50
#20097
15K
9.32 mi12:18:061:22:498:5327:38
8:54
#20057
20K
12.43 mi12:46:491:51:328:5828:43
9:15
#20240
Half
13.11 mi12:52:471:57:308:585:58
8:45
#20193
25K
15.53 mi13:14:412:19:248:5821:54
9:02
#19994
30K
18.64 mi13:42:452:47:288:5928:04
9:02
#19516
20M
20.00 mi13:55:002:59:438:5912:15
9:01
#19294
21M
21.00 mi14:04:463:09:299:019:46
9:46
#19159
35K
21.75 mi14:11:183:16:019:016:32
8:44
#19079
23M
23.00 mi14:22:373:27:209:0111:19
9:02
#18902
24M
24.00 mi14:31:133:35:569:008:36
8:36
#18734
40K
24.85 mi14:38:433:43:268:597:30
8:46
#18597
25.2M
25.20 mi14:41:573:46:409:003:14
9:23
#18530
Finish
26.22 mi14:50:293:55:128:598:32
8:22
#18406
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi201277892789220025(Top 75%)7696(Top 67%)7696(Top 944%)
10K6.21 mi3.10 mi20097+307821+717821+7120087(Top 75%)7744(Top 68%)7744(Top 950%)
15K9.32 mi3.11 mi20057+407773+487773+4820025(Top 75%)7696(Top 67%)7696(Top 944%)
20K12.43 mi3.11 mi20240-1837854-817854-8120745(Top 78%)8083(Top 71%)8083(Top 992%)
Half13.11 mi0.68 mi20193+477823+317823+3119215(Top 72%)7206(Top 63%)7206(Top 884%)
25K15.53 mi2.42 mi19994+1997708+1157708+11519136(Top 72%)7206(Top 63%)7206(Top 884%)
30K18.64 mi3.11 mi19516+4787435+2737435+27317370(Top 65%)6288(Top 55%)6288(Top 772%)
20M20.00 mi1.36 mi19294+2227326+1097326+10916647(Top 63%)5949(Top 52%)5949(Top 730%)
21M21.00 mi1.00 mi19159+1357256+707256+7017148(Top 64%)6283(Top 55%)6283(Top 771%)
35K21.75 mi0.75 mi19079+807219+377219+3716636(Top 62%)6076(Top 53%)6076(Top 746%)
23M23.00 mi1.25 mi18902+1777131+887131+8816279(Top 61%)5906(Top 52%)5906(Top 725%)
24M24.00 mi1.00 mi18734+1687048+837048+8315104(Top 57%)5299(Top 46%)5299(Top 650%)
40K24.85 mi0.85 mi18597+1376976+726976+7214990(Top 56%)5305(Top 46%)5305(Top 651%)
25.2M25.20 mi0.35 mi18530+676943+336943+3314686(Top 55%)5152(Top 45%)5152(Top 632%)
Finish26.22 mi1.02 mi18406+1246886+576886+5714612(Top 55%)5063(Top 44%)5063(Top 621%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21story building
+97ft-345ft

Overall

20025

Females

7696

F55-59

7696

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

20087

Females

7744

F55-59

7744

10K→15K

6.2 - 9.3 mi

Top 75%
×3story building
+67ft-78ft

Overall

20025

Females

7696

F55-59

7696

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20745

Females

8083

F55-59

8083

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19215

Females

7206

F55-59

7206

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19136

Females

7206

F55-59

7206

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17370

Females

6288

F55-59

6288

30K→20M

18.6 - 20.0 mi

Top 63%
×5story building
+64ft-50ft

Overall

16647

Females

5949

F55-59

5949

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

17148

Females

6283

F55-59

6283

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16636

Females

6076

F55-59

6076

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16279

Females

5906

F55-59

5906

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

15104

Females

5299

F55-59

5299

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14990

Females

5305

F55-59

5305

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14686

Females

5152

F55-59

5152

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

14612

Females

5063

F55-59

5063

Passing Analysis

Category:
Athletes Passed
2583
Passed By
862
Net Change
+1721
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20127
5K → 10K322292+30#20127#20097
10K → 15K197157+40#20097#20057
15K → 20K111294-183#20057#20240
20K → Half5710+47#20240#20193
Half → 25K23637+199#20193#19994
25K → 30K4857+478#19994#19516
30K → 20M23210+222#19516#19294
20M → 21M15116+135#19294#19159
21M → 35K899+80#19159#19079
35K → 23M1836+177#19079#18902
23M → 24M1768+168#18902#18734
24M → 40K1403+137#18734#18597
40K → 25.2M714+67#18597#18530
25.2M → Finish1339+124#18530#18406
TOTALS2583862+1721
📊

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