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BOSTON MARATHON 2023

Cynthia Robbs

VA

Bib: 22843 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 49%
Division (F50-54)
#0 / 1207
Top 46%
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
8:05/mi
25:08
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:22/mi
51:09
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:16/mi
1:16:50
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:35/mi
1:43:29
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:36/mi
1:49:21
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:43/mi
2:10:30
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:08/mi
2:38:53
↑ 181↓ 1480.2%
138 ft elev
20M
9:27/mi
2:51:43
↑ 64↓ 500.2%
148 ft elev
21M
9:55/mi
3:01:38
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:55/mi
3:08:18
↑ 17↓ 861.7%
156 ft elev
23M
9:37/mi
3:20:20
↑ 23↓ 630.6%
116 ft elev
24M
9:33/mi
3:29:53
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:46/mi
3:38:14
↓ 200.3%
20 ft elev
25.2M
10:35/mi
3:41:53
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:51/mi
3:51:55
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:21
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time2:02:34
Pace9:21 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3925:088:0525:08
8:05
-
10K
6.21 mi11:41:4051:098:1426:01
8:22
+0:17
15K
9.32 mi12:07:211:16:508:1525:41
8:16
-0:06
20K
12.43 mi12:34:001:43:298:2026:39
8:35
+0:19
Half
13.11 mi12:39:521:49:218:205:52
8:36
+0:01
25K
15.53 mi13:01:012:10:308:2421:09
8:43
+0:07
30K
18.64 mi13:29:242:38:538:3128:23
9:08
+0:25
20M
20.00 mi13:42:142:51:438:3512:50
9:27
+0:19
21M
21.00 mi13:52:093:01:388:399:55
9:55
+0:28
35K
21.75 mi13:58:493:08:188:396:40
8:55
-1:00
23M
23.00 mi14:10:513:20:208:4312:02
9:37
+0:42
24M
24.00 mi14:20:243:29:538:459:33
9:33
-0:04
40K
24.85 mi14:28:453:38:148:478:21
9:46
+0:13
25.2M
25.20 mi14:32:243:41:538:483:39
10:35
+0:49
Finish
26.22 mi14:42:263:51:558:5110:02
9:51
-0:44

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

8:05 /mi

Average Pace

8:51 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:30

56% of race

Time at Steady Pace

47:53

21% of race

Time at Slower Pace

53:32

23% of race

Average Pace: 8:51 /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 mi11:15:3925:088:0525:08
8:05
#14659
10K
6.21 mi11:41:4051:098:1426:01
8:22
#16064
15K
9.32 mi12:07:211:16:508:1525:41
8:16
#16140
20K
12.43 mi12:34:001:43:298:2026:39
8:35
#16481
Half
13.11 mi12:39:521:49:218:205:52
8:36
#16584
25K
15.53 mi13:01:012:10:308:2421:09
8:43
#16745
30K
18.64 mi13:29:242:38:538:3128:23
9:08
#16915
20M
20.00 mi13:42:142:51:438:3512:50
9:27
#17046
21M
21.00 mi13:52:093:01:388:399:55
9:55
#17090
35K
21.75 mi13:58:493:08:188:396:40
8:55
#17111
23M
23.00 mi14:10:513:20:208:4312:02
9:37
#17240
24M
24.00 mi14:20:243:29:538:459:33
9:33
#17373
40K
24.85 mi14:28:453:38:148:478:21
9:46
#17484
25.2M
25.20 mi14:32:243:41:538:483:39
10:35
#17548
Finish
26.22 mi14:42:263:51:558:5110:02
9:51
#17762
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi146594428442816341(Top 61%)5505(Top 48%)5505(Top 456%)
10K6.21 mi3.10 mi16064-14055322-8945322-89417419(Top 65%)6139(Top 54%)6139(Top 509%)
15K9.32 mi3.11 mi16140-765374-525374-5216341(Top 61%)5505(Top 48%)5505(Top 456%)
20K12.43 mi3.11 mi16481-3415597-2235597-22317362(Top 65%)6149(Top 54%)6149(Top 509%)
Half13.11 mi0.68 mi16584-1035671-745671-7418355(Top 69%)6690(Top 59%)6690(Top 554%)
25K15.53 mi2.42 mi16745-1615799-1285799-12817508(Top 66%)6289(Top 55%)6289(Top 521%)
30K18.64 mi3.11 mi16915-1705912-1135912-11317864(Top 67%)6565(Top 57%)6565(Top 544%)
20M20.00 mi1.36 mi17046-1315996-845996-8418641(Top 70%)7099(Top 62%)7099(Top 588%)
21M21.00 mi1.00 mi17090-446043-476043-4717734(Top 67%)6603(Top 58%)6603(Top 547%)
35K21.75 mi0.75 mi17111-216063-206063-2017528(Top 66%)6570(Top 58%)6570(Top 544%)
23M23.00 mi1.25 mi17240-1296165-1026165-10218776(Top 71%)7280(Top 64%)7280(Top 603%)
24M24.00 mi1.00 mi17373-1336254-896254-8919395(Top 73%)7658(Top 67%)7658(Top 634%)
40K24.85 mi0.85 mi17484-1116335-816335-8119281(Top 72%)7639(Top 67%)7639(Top 633%)
25.2M25.20 mi0.35 mi17548-646377-426377-4219372(Top 73%)7706(Top 67%)7706(Top 638%)
Finish26.22 mi1.02 mi17762-2146509-1326509-13221307(Top 80%)8718(Top 76%)8718(Top 722%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16341

Females

5505

F50-54

5505

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17419

Females

6139

F50-54

6139

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16341

Females

5505

F50-54

5505

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17362

Females

6149

F50-54

6149

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18355

Females

6690

F50-54

6690

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17508

Females

6289

F50-54

6289

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17864

Females

6565

F50-54

6565

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

18641

Females

7099

F50-54

7099

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17734

Females

6603

F50-54

6603

21M→35K

21.0 - 21.8 mi

Top 66%
×7story building
+17ft-86ft

Overall

17528

Females

6570

F50-54

6570

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18776

Females

7280

F50-54

7280

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

19395

Females

7658

F50-54

7658

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19281

Females

7639

F50-54

7639

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19372

Females

7706

F50-54

7706

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21307

Females

8718

F50-54

8718

Passing Analysis

Category:
Athletes Passed
767
Passed By
3870
Net Change
-3103
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14659
5K → 10K281433-1405#14659#16064
10K → 15K169245-76#16064#16140
15K → 20K71412-341#16140#16481
20K → Half11114-103#16481#16584
Half → 25K89250-161#16584#16745
25K → 30K124294-170#16745#16915
30K → 20M40171-131#16915#17046
20M → 21M70114-44#17046#17090
21M → 35K3354-21#17090#17111
35K → 23M50179-129#17111#17240
23M → 24M31164-133#17240#17373
24M → 40K21132-111#17373#17484
40K → 25.2M1882-64#17484#17548
25.2M → Finish12226-214#17548#17762
TOTALS7673870-3103
📊

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