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BOSTON MARATHON 2023

Karyn Greene

Bib: 23225•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
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
9:01/mi
28:01
↑ 97↓ 3451.5%
10K· 6.21 mi
9:15/mi
56:44
↑ 79↓ 1380.4%
15K· 9.32 mi
9:29/mi
1:26:11
↑ 67↓ 78
20K· 12.43 mi
10:18/mi
1:58:12
↑ 106↓ 860.1%
Half· 13.11 mi
9:37/mi
2:04:46
↑ 19↓ 370.5%
25K· 15.53 mi
10:40/mi
2:30:38
↑ 66↓ 880.2%
30K· 18.64 mi
10:06/mi
3:02:00
↑ 181↓ 1480.2%
20M
10:47/mi
3:16:39
↑ 64↓ 500.2%
21M
12:04/mi
3:28:43
↑ 106↓ 241.6%
35K· 21.75 mi
10:59/mi
3:36:56
↑ 17↓ 861.7%
23M
11:18/mi
3:51:05
↑ 23↓ 630.6%
24M
10:49/mi
4:01:54
↓ 821.3%
40K· 24.85 mi
10:34/mi
4:10:56
↓ 200.3%
25.2M
11:04/mi
4:14:45
↑ 13↓ 160.2%
Finish· 26.22 mi
9:44/mi
4:24:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:46
Pace9:31 /mi
2nd Half
Distance13.11 mi
Time2:19:54
Pace10:40 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0028:019:0128:01
9:01
-
10K
6.21 mi11:51:4356:449:0828:43
9:15
+0:14
15K
9.32 mi12:21:101:26:119:1529:27
9:29
+0:14
20K
12.43 mi12:53:111:58:129:3132:01
10:18
+0:49
Half
13.11 mi12:59:452:04:469:316:34
9:37
-0:41
25K
15.53 mi13:25:372:30:389:4225:52
10:40
+1:03
30K
18.64 mi13:56:593:02:009:4631:22
10:06
-0:34
20M
20.00 mi14:11:383:16:399:5014:39
10:47
+0:41
21M
21.00 mi14:23:423:28:439:5612:04
12:04
+1:17
35K
21.75 mi14:31:553:36:569:588:13
10:59
-1:05
23M
23.00 mi14:46:043:51:0510:0314:09
11:18
+0:19
24M
24.00 mi14:56:534:01:5410:0510:49
10:49
-0:29
40K
24.85 mi15:05:554:10:5610:069:02
10:34
-0:15
25.2M
25.20 mi15:09:444:14:4510:073:49
11:04
+0:30
Finish
26.22 mi15:19:394:24:4010:069:55
9:44
-1:20

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

9:01 /mi

Average Pace

10:06 /mi

Slowest Pace

12:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:02

51% of race

Time at Steady Pace

1:32:23

35% of race

Time at Slower Pace

38:15

14% of race

Average Pace: 10:06 /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 mi11:23:0028:019:0128:01
9:01
#20549
10K
6.21 mi11:51:4356:449:0828:43
9:15
#21179
15K
9.32 mi12:21:101:26:119:1529:27
9:29
#21524
20K
12.43 mi12:53:111:58:129:3132:01
10:18
#22154
Half
13.11 mi12:59:452:04:469:316:34
9:37
#22165
25K
15.53 mi13:25:372:30:389:4225:52
10:40
#22466
30K
18.64 mi13:56:593:02:009:4631:22
10:06
#22261
20M
20.00 mi14:11:383:16:399:5014:39
10:47
#22232
21M
21.00 mi14:23:423:28:439:5612:04
12:04
#22274
35K
21.75 mi14:31:553:36:569:588:13
10:59
#22313
23M
23.00 mi14:46:043:51:0510:0314:09
11:18
#22357
24M
24.00 mi14:56:534:01:5410:0510:49
10:49
#22382
40K
24.85 mi15:05:554:10:5610:069:02
10:34
#22346
25.2M
25.20 mi15:09:444:14:4510:073:49
11:04
#22314
Finish
26.22 mi15:19:394:24:4010:069:55
9:44
#22283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi205498147814722202(Top 83%)8909(Top 78%)8909(Top 1691%)
10K6.21 mi3.10 mi21179-6308409-2628409-26221764(Top 82%)8696(Top 76%)8696(Top 1650%)
15K9.32 mi3.11 mi21524-3458571-1628571-16222202(Top 83%)8909(Top 78%)8909(Top 1691%)
20K12.43 mi3.11 mi22154-6308912-3418912-34123477(Top 88%)9614(Top 84%)9614(Top 1824%)
Half13.11 mi0.68 mi22165-118920-88920-822477(Top 84%)9062(Top 79%)9062(Top 1720%)
25K15.53 mi2.42 mi22466-3019091-1719091-17123464(Top 88%)9648(Top 84%)9648(Top 1831%)
30K18.64 mi3.11 mi22261+2058983+1088983+10821283(Top 80%)8508(Top 74%)8508(Top 1614%)
20M20.00 mi1.36 mi22232+298974+98974+922314(Top 84%)9150(Top 80%)9150(Top 1736%)
21M21.00 mi1.00 mi22274-429010-369010-3622863(Top 86%)9476(Top 83%)9476(Top 1798%)
35K21.75 mi0.75 mi22313-399046-369046-3623287(Top 87%)9750(Top 85%)9750(Top 1850%)
23M23.00 mi1.25 mi22357-449073-279073-2722898(Top 86%)9534(Top 83%)9534(Top 1809%)
24M24.00 mi1.00 mi22382-259093-209093-2022697(Top 85%)9470(Top 83%)9470(Top 1797%)
40K24.85 mi0.85 mi22346+369080+139080+1321385(Top 80%)8830(Top 77%)8830(Top 1676%)
25.2M25.20 mi0.35 mi22314+329064+169064+1620646(Top 78%)8407(Top 74%)8407(Top 1595%)
Finish26.22 mi1.02 mi22283+319057+79057+720931(Top 79%)8523(Top 75%)8523(Top 1617%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21story building
+97ft-345ft

Overall

22202

Females

8909

F60-64

8909

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21764

Females

8696

F60-64

8696

10K→15K

6.2 - 9.3 mi

Top 83%
×3story building
+67ft-78ft

Overall

22202

Females

8909

F60-64

8909

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23477

Females

9614

F60-64

9614

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22477

Females

9062

F60-64

9062

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23464

Females

9648

F60-64

9648

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21283

Females

8508

F60-64

8508

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22314

Females

9150

F60-64

9150

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22863

Females

9476

F60-64

9476

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23287

Females

9750

F60-64

9750

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

22898

Females

9534

F60-64

9534

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22697

Females

9470

F60-64

9470

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21385

Females

8830

F60-64

8830

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20646

Females

8407

F60-64

8407

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20931

Females

8523

F60-64

8523

Passing Analysis

Category:
Athletes Passed
799
Passed By
2533
Net Change
-1734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20549
5K → 10K87717-630#20549#21179
10K → 15K55400-345#21179#21524
15K → 20K20650-630#21524#22154
20K → Half2536-11#22154#22165
Half → 25K31332-301#22165#22466
25K → 30K23732+205#22466#22261
30K → 20M7950+29#22261#22232
20M → 21M4082-42#22232#22274
21M → 35K2160-39#22274#22313
35K → 23M4387-44#22313#22357
23M → 24M2651-25#22357#22382
24M → 40K5216+36#22382#22346
40K → 25.2M408+32#22346#22314
25.2M → Finish4312+31#22314#22283
TOTALS7992533-1734
📊

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