Sarah Balderson

Bib: 22266F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:43
Rank: #18585
Start5K
25:43 | 8:17/mi
10K· 6.21 mi
51:43
Rank: #18763 (-178)
5K10K
26:00 | 8:22/mi
15K· 9.32 mi
1:17:55
Rank: #18794 (-31)
10K15K
26:12 | 8:26/mi
20K· 12.43 mi
1:46:12
Rank: #19569 (-775)
15K20K
28:17 | 9:06/mi
Half· 13.11 mi
1:52:31
Rank: #19780 (-211)
20KHalf
6:19 | 9:16/mi
25K· 15.53 mi
2:16:49
Rank: #20673 (-893)
Half25K
24:18 | 10:01/mi
30K· 18.64 mi
2:49:21
Rank: #21269 (-596)
25K30K
32:32 | 10:28/mi
20M
3:05:03
Rank: #21692 (-423)
30K20M
15:42 | 11:33/mi
21M
3:16:09
Rank: #21684 (+8)
20M21M
11:06 | 11:06/mi
35K· 21.75 mi
3:23:39
Rank: #21700 (-16)
21M35K
7:30 | 10:01/mi
23M
3:36:33
Rank: #21664 (+36)
35K23M
12:54 | 10:18/mi
24M
3:45:55
Rank: #21554 (+110)
23M24M
9:22 | 9:22/mi
40K· 24.85 mi
3:54:34
Rank: #21517 (+37)
24M40K
8:39 | 10:07/mi
25.2M
3:58:16
Rank: #21484 (+33)
40K25.2M
3:42 | 10:44/mi
Finish· 26.22 mi
4:07:34
Rank: #21412 (+72)
25.2MFinish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:31
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:15:03
Pace10:18 /mi
📊Positive Split: 20.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2825:438:1725:43
8:17
-
10K
6.21 mi11:46:2851:438:1926:00
8:22
+0:05
15K
9.32 mi12:12:401:17:558:2226:12
8:26
+0:04
20K
12.43 mi12:40:571:46:128:3328:17
9:06
+0:40
Half
13.11 mi12:47:161:52:318:356:19
9:16
+0:10
25K
15.53 mi13:11:342:16:498:4824:18
10:01
+0:45
30K
18.64 mi13:44:062:49:219:0532:32
10:28
+0:27
20M
20.00 mi13:59:483:05:039:1515:42
11:33
+1:05
21M
21.00 mi14:10:543:16:099:2011:06
11:06
-0:27
35K
21.75 mi14:18:243:23:399:227:30
10:01
-1:05
23M
23.00 mi14:31:183:36:339:2512:54
10:18
+0:17
24M
24.00 mi14:40:403:45:559:259:22
9:22
-0:56
40K
24.85 mi14:49:193:54:349:268:39
10:07
+0:45
25.2M
25.20 mi14:53:013:58:169:273:42
10:44
+0:37
Finish
26.22 mi15:02:194:07:349:279:18
9:08
-1:36

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

8:17 /mi

Average Pace

9:27 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:11

53% of race

Time at Steady Pace

1:25:53

35% of race

Time at Slower Pace

30:30

12% of race

Average Pace: 9:27 /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 mi11:20:2825:438:1725:43
8:17
#18585
10K
6.21 mi11:46:2851:438:1926:00
8:22
#18763
15K
9.32 mi12:12:401:17:558:2226:12
8:26
#18794
20K
12.43 mi12:40:571:46:128:3328:17
9:06
#19569
Half
13.11 mi12:47:161:52:318:356:19
9:16
#19780
25K
15.53 mi13:11:342:16:498:4824:18
10:01
#20673
30K
18.64 mi13:44:062:49:219:0532:32
10:28
#21269
20M
20.00 mi13:59:483:05:039:1515:42
11:33
#21692
21M
21.00 mi14:10:543:16:099:2011:06
11:06
#21684
35K
21.75 mi14:18:243:23:399:227:30
10:01
#21700
23M
23.00 mi14:31:183:36:339:2512:54
10:18
#21664
24M
24.00 mi14:40:403:45:559:259:22
9:22
#21554
40K
24.85 mi14:49:193:54:349:268:39
10:07
#21517
25.2M
25.20 mi14:53:013:58:169:273:42
10:44
#21484
Finish
26.22 mi15:02:194:07:349:279:18
9:08
#21412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi185856677667718931(Top 67%)6863(Top 56%)6863(Top 690%)
10K6.21 mi3.10 mi18763-1786775-986775-9819012(Top 67%)6893(Top 56%)6893(Top 693%)
15K9.32 mi3.11 mi18794-316786-116786-1118931(Top 67%)6863(Top 56%)6863(Top 690%)
20K12.43 mi3.11 mi19569-7757226-4407226-44021467(Top 76%)8300(Top 68%)8300(Top 835%)
Half13.11 mi0.68 mi19780-2117350-1247350-12422822(Top 80%)9038(Top 74%)9038(Top 909%)
25K15.53 mi2.42 mi20673-8937862-5127862-51223318(Top 82%)9372(Top 77%)9372(Top 943%)
30K18.64 mi3.11 mi21269-5968231-3698231-36922889(Top 81%)9254(Top 76%)9254(Top 931%)
20M20.00 mi1.36 mi21692-4238465-2348465-23424638(Top 87%)10285(Top 84%)10285(Top 1035%)
21M21.00 mi1.00 mi21684+88490-258490-2521670(Top 76%)8799(Top 72%)8799(Top 885%)
35K21.75 mi0.75 mi21700-168510-208510-2021978(Top 77%)9024(Top 74%)9024(Top 908%)
23M23.00 mi1.25 mi21664+368527-178527-1721431(Top 75%)8776(Top 72%)8776(Top 883%)
24M24.00 mi1.00 mi21554+1108483+448483+4419126(Top 67%)7619(Top 62%)7619(Top 766%)
40K24.85 mi0.85 mi21517+378486-38486-320852(Top 73%)8587(Top 70%)8587(Top 864%)
25.2M25.20 mi0.35 mi21484+338470+168470+1619872(Top 70%)8100(Top 66%)8100(Top 815%)
Finish26.22 mi1.02 mi21412+728452+188452+1819661(Top 69%)7958(Top 65%)7958(Top 801%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

18931

Females

6863

F55-59

6863

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

19012

Females

6893

F55-59

6893

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

18931

Females

6863

F55-59

6863

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

21467

Females

8300

F55-59

8300

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

22822

Females

9038

F55-59

9038

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

23318

Females

9372

F55-59

9372

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

22889

Females

9254

F55-59

9254

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

24638

Females

10285

F55-59

10285

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21670

Females

8799

F55-59

8799

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21978

Females

9024

F55-59

9024

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

21431

Females

8776

F55-59

8776

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

19126

Females

7619

F55-59

7619

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

20852

Females

8587

F55-59

8587

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19872

Females

8100

F55-59

8100

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

19661

Females

7958

F55-59

7958

Passing Analysis

Category:
Athletes Passed
1092
Passed By
3919
Net Change
-2827
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18585
5K10K186364-178#18585#18763
10K15K179210-31#18763#18794
15K20K50825-775#18794#19569
20KHalf3214-211#19569#19780
Half25K23916-893#19780#20673
25K30K74670-596#20673#21269
30K20M21444-423#21269#21692
20M21M8981+8#21692#21684
21M35K4157-16#21684#21700
35K23M9963+36#21700#21664
23M24M1177+110#21664#21554
24M40K7134+37#21554#21517
40K25.2M4310+33#21517#21484
25.2MFinish9624+72#21484#21412
TOTALS10923919-2827
📊

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