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BOSTON MARATHON 2023

Fiona Tideswell

Bib: 14195•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 40%
Division (F45-49)
#0 / 1817
Top 48%
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
8:00/mi
24:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:05/mi
49:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:16:12
↑ 67↓ 78
20K· 12.43 mi
8:26/mi
1:42:24
↑ 106↓ 860.1%
Half· 13.11 mi
9:07/mi
1:48:37
↑ 19↓ 370.5%
25K· 15.53 mi
8:33/mi
2:09:21
↑ 66↓ 880.2%
30K· 18.64 mi
8:51/mi
2:36:50
↑ 181↓ 1480.2%
20M
9:22/mi
2:49:34
↑ 64↓ 500.2%
21M
9:31/mi
2:59:05
↑ 106↓ 241.6%
35K· 21.75 mi
9:44/mi
3:06:22
↑ 17↓ 861.7%
23M
8:59/mi
3:17:37
↑ 23↓ 630.6%
24M
8:49/mi
3:26:26
↓ 821.3%
40K· 24.85 mi
9:11/mi
3:34:17
↓ 200.3%
25.2M
9:43/mi
3:37:38
↑ 13↓ 160.2%
Finish· 26.22 mi
8:28/mi
3:46:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:37
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:57:39
Pace8:58 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5124:518:0024:51
8:00
-
10K
6.21 mi11:18:5849:588:0225:07
8:05
+0:05
15K
9.32 mi11:45:121:16:128:1126:14
8:27
+0:22
20K
12.43 mi12:11:241:42:248:1426:12
8:26
-0:01
Half
13.11 mi12:17:371:48:378:176:13
9:07
+0:41
25K
15.53 mi12:38:212:09:218:2020:44
8:33
-0:34
30K
18.64 mi13:05:502:36:508:2527:29
8:51
+0:18
20M
20.00 mi13:18:342:49:348:2912:44
9:22
+0:31
21M
21.00 mi13:28:052:59:058:329:31
9:31
+0:09
35K
21.75 mi13:35:223:06:228:347:17
9:44
+0:13
23M
23.00 mi13:46:373:17:378:3611:15
8:59
-0:45
24M
24.00 mi13:55:263:26:268:368:49
8:49
-0:10
40K
24.85 mi14:03:173:34:178:377:51
9:11
+0:22
25.2M
25.20 mi14:06:383:37:388:383:21
9:43
+0:32
Finish
26.22 mi14:15:163:46:168:388:38
8:28
-1:15

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

8:00 /mi

Average Pace

8:38 /mi

Slowest Pace

9:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:46

58% of race

Time at Steady Pace

53:46

24% of race

Time at Slower Pace

40:44

18% of race

Average Pace: 8:38 /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 mi10:53:5124:518:0024:51
8:00
#14025
10K
6.21 mi11:18:5849:588:0225:07
8:05
#14691
15K
9.32 mi11:45:121:16:128:1126:14
8:27
#15643
20K
12.43 mi12:11:241:42:248:1426:12
8:26
#15853
Half
13.11 mi12:17:371:48:378:176:13
9:07
#16177
25K
15.53 mi12:38:212:09:218:2020:44
8:33
#16238
30K
18.64 mi13:05:502:36:508:2527:29
8:51
#16236
20M
20.00 mi13:18:342:49:348:2912:44
9:22
#16397
21M
21.00 mi13:28:052:59:058:329:31
9:31
#16364
35K
21.75 mi13:35:223:06:228:347:17
9:44
#16582
23M
23.00 mi13:46:373:17:378:3611:15
8:59
#16537
24M
24.00 mi13:55:263:26:268:368:49
8:49
#16522
40K
24.85 mi14:03:173:34:178:377:51
9:11
#16523
25.2M
25.20 mi14:06:383:37:388:383:21
9:43
#16521
Finish
26.22 mi14:15:163:46:168:388:38
8:28
#16460
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi140254051405117430(Top 65%)6173(Top 54%)6173(Top 340%)
10K6.21 mi3.10 mi14691-6664462-4114462-41115420(Top 58%)4921(Top 43%)4921(Top 271%)
15K9.32 mi3.11 mi15643-9525063-6015063-60117430(Top 65%)6173(Top 54%)6173(Top 340%)
20K12.43 mi3.11 mi15853-2105216-1535216-15316461(Top 62%)5625(Top 49%)5625(Top 310%)
Half13.11 mi0.68 mi16177-3245419-2035419-20320868(Top 78%)8163(Top 71%)8163(Top 449%)
25K15.53 mi2.42 mi16238-615478-595478-5916506(Top 62%)5725(Top 50%)5725(Top 315%)
30K18.64 mi3.11 mi16236+25525-475525-4716367(Top 61%)5711(Top 50%)5711(Top 314%)
20M20.00 mi1.36 mi16397-1615645-1205645-12018328(Top 69%)6918(Top 61%)6918(Top 381%)
21M21.00 mi1.00 mi16364+335635+105635+1016058(Top 60%)5665(Top 50%)5665(Top 312%)
35K21.75 mi0.75 mi16582-2185764-1295764-12920569(Top 77%)8250(Top 72%)8250(Top 454%)
23M23.00 mi1.25 mi16537+455749+155749+1516014(Top 60%)5753(Top 50%)5753(Top 317%)
24M24.00 mi1.00 mi16522+155760-115760-1116310(Top 61%)5973(Top 52%)5973(Top 329%)
40K24.85 mi0.85 mi16523-15782-225782-2217035(Top 64%)6420(Top 56%)6420(Top 353%)
25.2M25.20 mi0.35 mi16521+25788-65788-616233(Top 61%)6000(Top 53%)6000(Top 330%)
Finish26.22 mi1.02 mi16460+615763+255763+2515270(Top 57%)5413(Top 47%)5413(Top 298%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17430

Females

6173

F45-49

6173

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

15420

Females

4921

F45-49

4921

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17430

Females

6173

F45-49

6173

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16461

Females

5625

F45-49

5625

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20868

Females

8163

F45-49

8163

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

16506

Females

5725

F45-49

5725

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

16367

Females

5711

F45-49

5711

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18328

Females

6918

F45-49

6918

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

16058

Females

5665

F45-49

5665

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20569

Females

8250

F45-49

8250

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16014

Females

5753

F45-49

5753

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

16310

Females

5973

F45-49

5973

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

17035

Females

6420

F45-49

6420

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16233

Females

6000

F45-49

6000

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15270

Females

5413

F45-49

5413

Passing Analysis

Category:
Athletes Passed
1032
Passed By
3467
Net Change
-2435
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14025
5K → 10K78744-666#14025#14691
10K → 15K23975-952#14691#15643
15K → 20K110320-210#15643#15853
20K → Half3327-324#15853#16177
Half → 25K120181-61#16177#16238
25K → 30K191189+2#16238#16236
30K → 20M43204-161#16236#16397
20M → 21M9057+33#16397#16364
21M → 35K14232-218#16364#16582
35K → 23M10156+45#16582#16537
23M → 24M6954+15#16537#16522
24M → 40K6364-1#16522#16523
40K → 25.2M3432+2#16523#16521
25.2M → Finish9332+61#16521#16460
TOTALS10323467-2435
📊

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