Fiona Aiston

Bib: 20314F

NT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 38%
Masters (Masters Women)
#0 / 6759
Top 23%
Division (F40-44)
#0 / 1718
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:31
Rank: #15612
Start5K
7:53/mi
24:31 split
10K· 6.21 mi
49:10
Rank: #15809 (-197)
5K10K
7:56/mi
24:39 split
15K· 9.32 mi
1:14:13
Rank: #16034 (-225)
10K15K
8:04/mi
25:03 split
20K· 12.43 mi
1:40:07
Rank: #16349 (-315)
15K20K
8:20/mi
25:54 split
Half· 13.11 mi
1:45:41
Rank: #16394 (-45)
20KHalf
8:10/mi
5:34 split
25K· 15.53 mi
2:06:06
Rank: #16435 (-41)
Half25K
8:25/mi
20:25 split
30K· 18.64 mi
2:32:51
Rank: #16208 (+227)
25K30K
8:37/mi
26:45 split
20M
2:44:32
Rank: #16057 (+151)
30K20M
8:36/mi
11:41 split
21M
2:53:32
Rank: #15840 (+217)
20M21M
9:00/mi
9:00 split
35K· 21.75 mi
2:59:34
Rank: #15702 (+138)
21M35K
8:04/mi
6:02 split
23M
3:09:51
Rank: #15416 (+286)
35K23M
8:13/mi
10:17 split
24M
3:17:44
Rank: #15175 (+241)
23M24M
7:53/mi
7:53 split
40K· 24.85 mi
3:24:26
Rank: #14916 (+259)
24M40K
7:50/mi
6:42 split
25.2M
3:27:21
Rank: #14802 (+114)
40K25.2M
8:27/mi
2:55 split
Finish· 26.22 mi
3:34:46
Rank: #14505 (+297)
25.2MFinish
7:17/mi
7:25 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:41
Pace8:04 /mi
2nd Half
Distance13.11 mi
Time1:49:05
Pace8:19 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3124:317:5324:31
7:53
-
10K
6.21 mi11:43:1049:107:5524:39
7:56
+0:03
15K
9.32 mi12:08:131:14:137:5825:03
8:04
+0:08
20K
12.43 mi12:34:071:40:078:0325:54
8:20
+0:16
Half
13.11 mi12:39:411:45:418:045:34
8:10
-0:10
25K
15.53 mi13:00:062:06:068:0720:25
8:25
+0:15
30K
18.64 mi13:26:512:32:518:1226:45
8:37
+0:12
20M
20.00 mi13:38:322:44:328:1411:41
8:36
-0:01
21M
21.00 mi13:47:322:53:328:169:00
9:00
+0:24
35K
21.75 mi13:53:342:59:348:156:02
8:04
-0:56
23M
23.00 mi14:03:513:09:518:1510:17
8:13
+0:09
24M
24.00 mi14:11:443:17:448:147:53
7:53
-0:20
40K
24.85 mi14:18:263:24:268:146:42
7:50
-0:03
25.2M
25.20 mi14:21:213:27:218:142:55
8:27
+0:37
Finish
26.22 mi14:28:463:34:468:127:25
7:17
-1:10

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

7:17 /mi

Average Pace

8:12 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:11:10

33% of race

Time at Steady Pace

1:12:50

34% of race

Time at Slower Pace

1:10:46

33% of race

Average Pace: 8:11 /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 mi11:18:3124:317:5324:31
7:53
#15612
10K
6.21 mi11:43:1049:107:5524:39
7:56
#15809
15K
9.32 mi12:08:131:14:137:5825:03
8:04
#16034
20K
12.43 mi12:34:071:40:078:0325:54
8:20
#16349
Half
13.11 mi12:39:411:45:418:045:34
8:10
#16394
25K
15.53 mi13:00:062:06:068:0720:25
8:25
#16435
30K
18.64 mi13:26:512:32:518:1226:45
8:37
#16208
20M
20.00 mi13:38:322:44:328:1411:41
8:36
#16057
21M
21.00 mi13:47:322:53:328:169:00
9:00
#15840
35K
21.75 mi13:53:342:59:348:156:02
8:04
#15702
23M
23.00 mi14:03:513:09:518:1510:17
8:13
#15416
24M
24.00 mi14:11:443:17:448:147:53
7:53
#15175
40K
24.85 mi14:18:263:24:268:146:42
7:50
#14916
25.2M
25.20 mi14:21:213:27:218:142:55
8:27
#14802
Finish
26.22 mi14:28:463:34:468:127:25
7:17
#14505
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi156124903490316504(Top 58%)5436(Top 44%)5436(Top 316%)
10K6.21 mi3.10 mi15809-1975024-1215024-12115953(Top 56%)5095(Top 42%)5095(Top 297%)
15K9.32 mi3.11 mi16034-2255163-1395163-13916504(Top 58%)5436(Top 44%)5436(Top 316%)
20K12.43 mi3.11 mi16349-3155350-1875350-18717138(Top 60%)5844(Top 48%)5844(Top 340%)
Half13.11 mi0.68 mi16394-455375-255375-2517027(Top 60%)5765(Top 47%)5765(Top 336%)
25K15.53 mi2.42 mi16435-415425-505425-5016697(Top 59%)5682(Top 46%)5682(Top 331%)
30K18.64 mi3.11 mi16208+2275344+815344+8115457(Top 54%)5150(Top 42%)5150(Top 300%)
20M20.00 mi1.36 mi16057+1515299+455299+4514431(Top 51%)4741(Top 39%)4741(Top 276%)
21M21.00 mi1.00 mi15840+2175211+885211+8813538(Top 48%)4386(Top 36%)4386(Top 255%)
35K21.75 mi0.75 mi15702+1385156+555156+5512744(Top 45%)4027(Top 33%)4027(Top 234%)
23M23.00 mi1.25 mi15416+2865024+1325024+13211476(Top 40%)3479(Top 28%)3479(Top 203%)
24M24.00 mi1.00 mi15175+2414906+1184906+11810488(Top 37%)3054(Top 25%)3054(Top 178%)
40K24.85 mi0.85 mi14916+2594782+1244782+1249099(Top 32%)2520(Top 21%)2520(Top 147%)
25.2M25.20 mi0.35 mi14802+1144722+604722+608683(Top 31%)2396(Top 20%)2396(Top 139%)
Finish26.22 mi1.02 mi14505+2974595+1274595+1277672(Top 27%)1944(Top 16%)1944(Top 113%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

16504

Females

5436

F40-44

5436

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

15953

Females

5095

F40-44

5095

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

16504

Females

5436

F40-44

5436

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

17138

Females

5844

F40-44

5844

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

17027

Females

5765

F40-44

5765

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

16697

Females

5682

F40-44

5682

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

15457

Females

5150

F40-44

5150

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14431

Females

4741

F40-44

4741

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

13538

Females

4386

F40-44

4386

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12744

Females

4027

F40-44

4027

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11476

Females

3479

F40-44

3479

23M→24M

23.0 - 24.0 mi

Top 37%
×6story building
+12ft-82ft

Overall

10488

Females

3054

F40-44

3054

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9099

Females

2520

F40-44

2520

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8683

Females

2396

F40-44

2396

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7672

Females

1944

F40-44

1944

Passing Analysis

Category:
Athletes Passed
2769
Passed By
1662
Net Change
+1107
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15612
5K10K231428-197#15612#15809
10K15K141366-225#15809#16034
15K20K118433-315#16034#16349
20KHalf2368-45#16349#16394
Half25K134175-41#16394#16435
25K30K347120+227#16435#16208
30K20M18938+151#16208#16057
20M21M23619+217#16057#15840
21M35K1457+138#15840#15702
35K23M2882+286#15702#15416
23M24M2454+241#15416#15175
24M40K2601+259#15175#14916
40K25.2M1151+114#14916#14802
25.2MFinish2970+297#14802#14505
TOTALS27691662+1107
📊

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