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BOSTON MARATHON 2023

Nicola Rhyan

Bib: 13169•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 26%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:06
Rank: #11979
Start → 5K
24:06 | 7:45/mi
10K· 6.21 mi
47:19
Rank: #11051 (+928)
5K → 10K
23:13 | 7:28/mi
15K· 9.32 mi
1:10:13
Rank: #10365 (+686)
10K → 15K
22:54 | 7:22/mi
20K· 12.43 mi
1:33:05
Rank: #9741 (+624)
15K → 20K
22:52 | 7:22/mi
Half· 13.11 mi
1:38:07
Rank: #9697 (+44)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:56:09
Rank: #9455 (+242)
Half → 25K
18:02 | 7:26/mi
30K· 18.64 mi
2:18:38
Rank: #8658 (+797)
25K → 30K
22:29 | 7:14/mi
20M
2:28:25
Rank: #8323 (+335)
30K → 20M
9:47 | 7:12/mi
21M
2:35:42
Rank: #7988 (+335)
20M → 21M
7:17 | 7:17/mi
35K· 21.75 mi
2:40:52
Rank: #7823 (+165)
21M → 35K
5:10 | 6:54/mi
23M
2:49:50
Rank: #7573 (+250)
35K → 23M
8:58 | 7:10/mi
24M
2:56:44
Rank: #7365 (+208)
23M → 24M
6:54 | 6:54/mi
40K· 24.85 mi
3:02:41
Rank: #7204 (+161)
24M → 40K
5:57 | 6:58/mi
25.2M
3:05:07
Rank: #7078 (+126)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
3:11:35
Rank: #6800 (+278)
25.2M → Finish
6:28 | 6:21/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:07
Pace7:29 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:33:28
Pace7:08 /mi
📊Negative Split: 4.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3724:067:4524:06
7:45
-
10K
6.21 mi11:15:5047:197:3723:13
7:28
-0:17
15K
9.32 mi11:38:441:10:137:3222:54
7:22
-0:06
20K
12.43 mi12:01:361:33:057:2922:52
7:22
0:00
Half
13.11 mi12:06:381:38:077:295:02
7:23
+0:01
25K
15.53 mi12:24:401:56:097:2918:02
7:26
+0:03
30K
18.64 mi12:47:092:18:387:2622:29
7:14
-0:12
20M
20.00 mi12:56:562:28:257:259:47
7:12
-0:02
21M
21.00 mi13:04:132:35:427:257:17
7:17
+0:05
35K
21.75 mi13:09:232:40:527:245:10
6:54
-0:23
23M
23.00 mi13:18:212:49:507:238:58
7:10
+0:16
24M
24.00 mi13:25:152:56:447:226:54
6:54
-0:16
40K
24.85 mi13:31:123:02:417:215:57
6:58
+0:04
25.2M
25.20 mi13:33:383:05:077:212:26
7:03
+0:05
Finish
26.22 mi13:40:063:11:357:196:28
6:21
-0:42

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

6:21 /mi

Average Pace

7:19 /mi

Slowest Pace

7:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:55

14% of race

Time at Steady Pace

1:39:19

52% of race

Time at Slower Pace

1:05:21

34% of race

Average Pace: 7:18 /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 mi10:52:3724:067:4524:06
7:45
#11979
10K
6.21 mi11:15:5047:197:3723:13
7:28
#11051
15K
9.32 mi11:38:441:10:137:3222:54
7:22
#10365
20K
12.43 mi12:01:361:33:057:2922:52
7:22
#9741
Half
13.11 mi12:06:381:38:077:295:02
7:23
#9697
25K
15.53 mi12:24:401:56:097:2918:02
7:26
#9455
30K
18.64 mi12:47:092:18:387:2622:29
7:14
#8658
20M
20.00 mi12:56:562:28:257:259:47
7:12
#8323
21M
21.00 mi13:04:132:35:427:257:17
7:17
#7988
35K
21.75 mi13:09:232:40:527:245:10
6:54
#7823
23M
23.00 mi13:18:212:49:507:238:58
7:10
#7573
24M
24.00 mi13:25:152:56:447:226:54
6:54
#7365
40K
24.85 mi13:31:123:02:417:215:57
6:58
#7204
25.2M
25.20 mi13:33:383:05:077:212:26
7:03
#7078
Finish
26.22 mi13:40:063:11:357:196:28
6:21
#6800
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11979285128519109(Top 34%)1485(Top 13%)1485(Top 30%)
10K6.21 mi3.10 mi11051+9282350+5012350+50110243(Top 38%)1925(Top 17%)1925(Top 39%)
15K9.32 mi3.11 mi10365+6861992+3581992+3589109(Top 34%)1485(Top 13%)1485(Top 30%)
20K12.43 mi3.11 mi9741+6241721+2711721+2718221(Top 31%)1178(Top 10%)1178(Top 24%)
Half13.11 mi0.68 mi9697+441706+151706+159262(Top 35%)1554(Top 14%)1554(Top 32%)
25K15.53 mi2.42 mi9455+2421627+791627+798316(Top 31%)1289(Top 11%)1289(Top 26%)
30K18.64 mi3.11 mi8658+7971358+2691358+2695705(Top 21%)553(Top 5%)553(Top 11%)
20M20.00 mi1.36 mi8323+3351261+971261+975128(Top 19%)487(Top 4%)487(Top 10%)
21M21.00 mi1.00 mi7988+3351142+1191142+1193557(Top 13%)254(Top 2%)254(Top 5%)
35K21.75 mi0.75 mi7823+1651092+501092+504869(Top 18%)485(Top 4%)485(Top 10%)
23M23.00 mi1.25 mi7573+2501024+681024+684633(Top 17%)453(Top 4%)453(Top 9%)
24M24.00 mi1.00 mi7365+208977+47977+474208(Top 16%)384(Top 3%)384(Top 8%)
40K24.85 mi0.85 mi7204+161939+38939+383669(Top 14%)352(Top 3%)352(Top 7%)
25.2M25.20 mi0.35 mi7078+126911+28911+282029(Top 8%)141(Top 1%)141(Top 3%)
Finish26.22 mi1.02 mi6800+278836+75836+751838(Top 7%)120(Top 1%)120(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9109

Females

1485

F18-39

1485

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10243

Females

1925

F18-39

1925

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9109

Females

1485

F18-39

1485

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8221

Females

1178

F18-39

1178

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9262

Females

1554

F18-39

1554

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

8316

Females

1289

F18-39

1289

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5705

Females

553

F18-39

553

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5128

Females

487

F18-39

487

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3557

Females

254

F18-39

254

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4869

Females

485

F18-39

485

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4633

Females

453

F18-39

453

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4208

Females

384

F18-39

384

24M→40K

24.0 - 24.9 mi

Top 14%
×1story
+6ft-20ft

Overall

3669

Females

352

F18-39

352

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2029

Females

141

F18-39

141

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1838

Females

120

F18-39

120

Passing Analysis

Category:
Athletes Passed
5307*
Passed By
128
Net Change
+5179
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11979
5K → 10K98254+928#11979#11051
10K → 15K70822+686#11051#10365
15K → 20K628*4+624#10365#9741
20K → Half5410+44#9741#9697
Half → 25K26321+242#9697#9455
25K → 30K797*0+797#9455#8658
30K → 20M3383+335#8658#8323
20M → 21M3361+335#8323#7988
21M → 35K1661+165#7988#7823
35K → 23M2555+250#7823#7573
23M → 24M2102+208#7573#7365
24M → 40K1665+161#7365#7204
40K → 25.2M1260+126#7204#7078
25.2M → Finish2780+278#7078#6800
TOTALS5307*128+5179

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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