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BOSTON MARATHON 2023

Krystal Riley

Bib: 16206•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 37%
Division (F40-44)
#0 / 1878
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
7:38/mi
23:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:45/mi
47:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:12:12
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:37:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:55/mi
1:42:43
↑ 19↓ 370.5%
25K· 15.53 mi
8:48/mi
2:04:04
↑ 66↓ 880.2%
30K· 18.64 mi
8:48/mi
2:31:23
↑ 181↓ 1480.2%
20M
8:59/mi
2:43:36
↑ 64↓ 500.2%
21M
9:17/mi
2:52:53
↑ 106↓ 241.6%
35K· 21.75 mi
8:49/mi
2:59:29
↑ 17↓ 861.7%
23M
9:10/mi
3:10:58
↑ 23↓ 630.6%
24M
9:22/mi
3:20:20
↓ 821.3%
40K· 24.85 mi
11:08/mi
3:29:51
↓ 200.3%
25.2M
14:56/mi
3:35:00
↑ 13↓ 160.2%
Finish· 26.22 mi
9:13/mi
3:44:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:43
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time2:01:41
Pace9:17 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:5223:427:3823:42
7:38
-
10K
6.21 mi11:37:5847:487:4224:06
7:45
+0:07
15K
9.32 mi12:02:221:12:127:4524:24
7:51
+0:06
20K
12.43 mi12:27:291:37:197:5025:07
8:05
+0:14
Half
13.11 mi12:32:531:42:437:505:24
7:55
-0:10
25K
15.53 mi12:54:142:04:047:5921:21
8:48
+0:53
30K
18.64 mi13:21:332:31:238:0727:19
8:48
0:00
20M
20.00 mi13:33:462:43:368:1112:13
8:59
+0:11
21M
21.00 mi13:43:032:52:538:149:17
9:17
+0:18
35K
21.75 mi13:49:392:59:298:156:36
8:49
-0:28
23M
23.00 mi14:01:083:10:588:1811:29
9:10
+0:21
24M
24.00 mi14:10:303:20:208:219:22
9:22
+0:12
40K
24.85 mi14:20:013:29:518:279:31
11:08
+1:46
25.2M
25.20 mi14:25:103:35:008:325:09
14:56
+3:48
Finish
26.22 mi14:34:343:44:248:349:24
9:13
-5:43

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

7:38 /mi

Average Pace

8:34 /mi

Slowest Pace

14:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:36

35% of race

Time at Steady Pace

2:12:08

59% of race

Time at Slower Pace

14:40

7% of race

Average Pace: 8:34 /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 mi11:13:5223:427:3823:42
7:38
#10827
10K
6.21 mi11:37:5847:487:4224:06
7:45
#11745
15K
9.32 mi12:02:221:12:127:4524:24
7:51
#12200
20K
12.43 mi12:27:291:37:197:5025:07
8:05
#12678
Half
13.11 mi12:32:531:42:437:505:24
7:55
#12734
25K
15.53 mi12:54:142:04:047:5921:21
8:48
#13762
30K
18.64 mi13:21:332:31:238:0727:19
8:48
#14261
20M
20.00 mi13:33:462:43:368:1112:13
8:59
#14417
21M
21.00 mi13:43:032:52:538:149:17
9:17
#14433
35K
21.75 mi13:49:392:59:298:156:36
8:49
#14543
23M
23.00 mi14:01:083:10:588:1811:29
9:10
#14692
24M
24.00 mi14:10:303:20:208:219:22
9:22
#14888
40K
24.85 mi14:20:013:29:518:279:31
11:08
#15409
25.2M
25.20 mi14:25:103:35:008:325:09
14:56
#15862
Finish
26.22 mi14:34:343:44:248:349:24
9:13
#16019
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi108272244224413165(Top 49%)3586(Top 31%)3586(Top 191%)
10K6.21 mi3.10 mi11745-9182732-4882732-48812763(Top 48%)3296(Top 29%)3296(Top 176%)
15K9.32 mi3.11 mi12200-4553006-2743006-27413165(Top 49%)3586(Top 31%)3586(Top 191%)
20K12.43 mi3.11 mi12678-4783299-2933299-29314138(Top 53%)4188(Top 37%)4188(Top 223%)
Half13.11 mi0.68 mi12734-563330-313330-3113791(Top 52%)3978(Top 35%)3978(Top 212%)
25K15.53 mi2.42 mi13762-10283964-6343964-63417991(Top 68%)6544(Top 57%)6544(Top 348%)
30K18.64 mi3.11 mi14261-4994305-3414305-34116010(Top 60%)5503(Top 48%)5503(Top 293%)
20M20.00 mi1.36 mi14417-1564430-1254430-12516498(Top 62%)5863(Top 51%)5863(Top 312%)
21M21.00 mi1.00 mi14433-164458-284458-2814925(Top 56%)5014(Top 44%)5014(Top 267%)
35K21.75 mi0.75 mi14543-1104529-714529-7117066(Top 64%)6304(Top 55%)6304(Top 336%)
23M23.00 mi1.25 mi14692-1494647-1184647-11816919(Top 64%)6245(Top 55%)6245(Top 333%)
24M24.00 mi1.00 mi14888-1964786-1394786-13918719(Top 70%)7282(Top 64%)7282(Top 388%)
40K24.85 mi0.85 mi15409-5215134-3485134-34822616(Top 85%)9456(Top 83%)9456(Top 504%)
25.2M25.20 mi0.35 mi15862-4535404-2705404-27025670(Top 96%)11010(Top 96%)11010(Top 586%)
Finish26.22 mi1.02 mi16019-1575500-965500-9619032(Top 71%)7448(Top 65%)7448(Top 397%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13165

Females

3586

F40-44

3586

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12763

Females

3296

F40-44

3296

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13165

Females

3586

F40-44

3586

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14138

Females

4188

F40-44

4188

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13791

Females

3978

F40-44

3978

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

17991

Females

6544

F40-44

6544

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16010

Females

5503

F40-44

5503

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16498

Females

5863

F40-44

5863

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

14925

Females

5014

F40-44

5014

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

17066

Females

6304

F40-44

6304

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

16919

Females

6245

F40-44

6245

23M→24M

23.0 - 24.0 mi

Top 70%
×6story building
+12ft-82ft

Overall

18719

Females

7282

F40-44

7282

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22616

Females

9456

F40-44

9456

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25670

Females

11010

F40-44

11010

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

19032

Females

7448

F40-44

7448

Passing Analysis

Category:
Athletes Passed
553
Passed By
5745
Net Change
-5192
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10827
5K → 10K73991-918#10827#11745
10K → 15K77532-455#11745#12200
15K → 20K56534-478#12200#12678
20K → Half2177-56#12678#12734
Half → 25K151043-1028#12734#13762
25K → 30K81580-499#13762#14261
30K → 20M44200-156#14261#14417
20M → 21M7490-16#14417#14433
21M → 35K17127-110#14433#14543
35K → 23M35184-149#14543#14692
23M → 24M28224-196#14692#14888
24M → 40K7528-521#14888#15409
40K → 25.2M1454-453#15409#15862
25.2M → Finish24181-157#15862#16019
TOTALS5535745-5192
📊

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