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BOSTON MARATHON 2023

Clea Czysz

TX

Bib: 19914 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:04/mi
28:09
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
9:08/mi
56:31
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
9:12/mi
1:25:06
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
9:31/mi
1:54:40
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
9:18/mi
2:01:01
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:19/mi
2:23:37
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:40/mi
2:53:40
↑ 181↓ 1480.2%
138 ft elev
20M
9:33/mi
3:06:39
↑ 64↓ 500.2%
148 ft elev
21M
9:54/mi
3:16:33
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:28/mi
3:23:38
↑ 17↓ 861.7%
156 ft elev
23M
9:35/mi
3:35:38
↑ 23↓ 630.6%
116 ft elev
24M
9:18/mi
3:44:56
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:25/mi
3:52:59
↓ 200.3%
20 ft elev
25.2M
9:46/mi
3:56:21
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:03/mi
4:05:34
↑ 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
Time2:01:01
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:04:33
Pace9:30 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1528:099:0428:09
9:04
-
10K
6.21 mi11:48:3756:319:0628:22
9:08
+0:04
15K
9.32 mi12:17:121:25:069:0828:35
9:12
+0:04
20K
12.43 mi12:46:461:54:409:1429:34
9:31
+0:19
Half
13.11 mi12:53:072:01:019:146:21
9:18
-0:13
25K
15.53 mi13:15:432:23:379:1522:36
9:19
+0:01
30K
18.64 mi13:45:462:53:409:1930:03
9:40
+0:21
20M
20.00 mi13:58:453:06:399:2012:59
9:33
-0:07
21M
21.00 mi14:08:393:16:339:229:54
9:54
+0:21
35K
21.75 mi14:15:443:23:389:227:05
9:28
-0:26
23M
23.00 mi14:27:443:35:389:2312:00
9:35
+0:07
24M
24.00 mi14:37:023:44:569:229:18
9:18
-0:17
40K
24.85 mi14:45:053:52:599:228:03
9:25
+0:07
25.2M
25.20 mi14:48:273:56:219:233:22
9:46
+0:21
Finish
26.22 mi14:57:404:05:349:229:13
9:03
-0:43

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

9:03 /mi

Average Pace

9:22 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:42

60% of race

Time at Steady Pace

1:37:52

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:22 /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 mi11:20:1528:099:0428:09
9:04
#20713
10K
6.21 mi11:48:3756:319:0628:22
9:08
#21031
15K
9.32 mi12:17:121:25:069:0828:35
9:12
#21145
20K
12.43 mi12:46:461:54:409:1429:34
9:31
#21279
Half
13.11 mi12:53:072:01:019:146:21
9:18
#21287
25K
15.53 mi13:15:432:23:379:1522:36
9:19
#21103
30K
18.64 mi13:45:462:53:409:1930:03
9:40
#20890
20M
20.00 mi13:58:453:06:399:2012:59
9:33
#20714
21M
21.00 mi14:08:393:16:339:229:54
9:54
#20537
35K
21.75 mi14:15:443:23:389:227:05
9:28
#20510
23M
23.00 mi14:27:443:35:389:2312:00
9:35
#20383
24M
24.00 mi14:37:023:44:569:229:18
9:18
#20307
40K
24.85 mi14:45:053:52:599:228:03
9:25
#20222
25.2M
25.20 mi14:48:273:56:219:233:22
9:46
#20174
Finish
26.22 mi14:57:404:05:349:229:13
9:03
#20098
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi207138225822521307(Top 80%)8403(Top 74%)8403(Top 696%)
10K6.21 mi3.10 mi21031-3188339-1148339-11421404(Top 80%)8501(Top 74%)8501(Top 704%)
15K9.32 mi3.11 mi21145-1148356-178356-1721307(Top 80%)8403(Top 74%)8403(Top 696%)
20K12.43 mi3.11 mi21279-1348422-668422-6621611(Top 81%)8579(Top 75%)8579(Top 711%)
Half13.11 mi0.68 mi21287-88425-38425-321544(Top 81%)8530(Top 75%)8530(Top 707%)
25K15.53 mi2.42 mi21103+1848327+988327+9820270(Top 76%)7847(Top 69%)7847(Top 650%)
30K18.64 mi3.11 mi20890+2138208+1198208+11920043(Top 75%)7791(Top 68%)7791(Top 645%)
20M20.00 mi1.36 mi20714+1768137+718137+7119081(Top 72%)7343(Top 64%)7343(Top 608%)
21M21.00 mi1.00 mi20537+1778050+878050+8717680(Top 66%)6579(Top 58%)6579(Top 545%)
35K21.75 mi0.75 mi20510+278049+18049+119771(Top 74%)7799(Top 68%)7799(Top 646%)
23M23.00 mi1.25 mi20383+1277986+637986+6318690(Top 70%)7238(Top 63%)7238(Top 600%)
24M24.00 mi1.00 mi20307+767949+377949+3718482(Top 69%)7159(Top 63%)7159(Top 593%)
40K24.85 mi0.85 mi20222+857917+327917+3218045(Top 68%)6974(Top 61%)6974(Top 578%)
25.2M25.20 mi0.35 mi20174+487894+237894+2316461(Top 62%)6155(Top 54%)6155(Top 510%)
Finish26.22 mi1.02 mi20098+767858+367858+3618224(Top 68%)7031(Top 62%)7031(Top 583%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21story building
+97ft-345ft

Overall

21307

Females

8403

F50-54

8403

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21404

Females

8501

F50-54

8501

10K→15K

6.2 - 9.3 mi

Top 80%
×3story building
+67ft-78ft

Overall

21307

Females

8403

F50-54

8403

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21611

Females

8579

F50-54

8579

20K→Half

12.4 - 13.1 mi

Top 81%
×2story building
+19ft-37ft

Overall

21544

Females

8530

F50-54

8530

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20270

Females

7847

F50-54

7847

25K→30K

15.5 - 18.6 mi

Top 75%
×9story building
+181ft-148ft

Overall

20043

Females

7791

F50-54

7791

30K→20M

18.6 - 20.0 mi

Top 72%
×5story building
+64ft-50ft

Overall

19081

Females

7343

F50-54

7343

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17680

Females

6579

F50-54

6579

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19771

Females

7799

F50-54

7799

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18690

Females

7238

F50-54

7238

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18482

Females

7159

F50-54

7159

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

18045

Females

6974

F50-54

6974

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16461

Females

6155

F50-54

6155

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

18224

Females

7031

F50-54

7031

Passing Analysis

Category:
Athletes Passed
1758
Passed By
1143
Net Change
+615
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20713
5K → 10K168486-318#20713#21031
10K → 15K120234-114#21031#21145
15K → 20K90224-134#21145#21279
20K → Half2230-8#21279#21287
Half → 25K21430+184#21287#21103
25K → 30K26754+213#21103#20890
30K → 20M1826+176#20890#20714
20M → 21M1847+177#20714#20537
21M → 35K5730+27#20537#20510
35K → 23M14316+127#20510#20383
23M → 24M8610+76#20383#20307
24M → 40K905+85#20307#20222
40K → 25.2M513+48#20222#20174
25.2M → Finish848+76#20174#20098
TOTALS17581143+615
📊

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