Sarah Nelson

Bib: 17209F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
Masters (Masters Women)
#0 / 6539
Top 30%
Division (F45-49)
#0 / 1817
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:39
Rank: #8066
Start5K
7:17/mi
22:39 split
10K· 6.21 mi
46:13
Rank: #9491 (-1425)
5K10K
7:35/mi
23:34 split
15K· 9.32 mi
1:10:50
Rank: #10933 (-1442)
10K15K
7:55/mi
24:37 split
20K· 12.43 mi
1:36:42
Rank: #12229 (-1296)
15K20K
8:20/mi
25:52 split
Half· 13.11 mi
1:42:21
Rank: #12481 (-252)
20KHalf
8:17/mi
5:39 split
25K· 15.53 mi
2:03:33
Rank: #13498 (-1017)
Half25K
8:45/mi
21:12 split
30K· 18.64 mi
2:31:33
Rank: #14335 (-837)
25K30K
9:01/mi
28:00 split
20M
2:44:01
Rank: #14560 (-225)
30K20M
9:10/mi
12:28 split
21M
2:53:42
Rank: #14703 (-143)
20M21M
9:41/mi
9:41 split
35K· 21.75 mi
3:00:04
Rank: #14710 (-7)
21M35K
8:31/mi
6:22 split
23M
3:11:18
Rank: #14790 (-80)
35K23M
8:58/mi
11:14 split
24M
3:20:08
Rank: #14833 (-43)
23M24M
8:50/mi
8:50 split
40K· 24.85 mi
3:27:51
Rank: #14866 (-33)
24M40K
9:02/mi
7:43 split
25.2M
3:31:12
Rank: #14881 (-15)
40K25.2M
9:43/mi
3:21 split
Finish· 26.22 mi
3:39:56
Rank: #14933 (-52)
25.2MFinish
8:34/mi
8:44 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:21
Pace7:48 /mi
2nd Half
Distance13.11 mi
Time1:57:35
Pace8:58 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:0522:397:1722:39
7:17
-
10K
6.21 mi11:36:3946:137:2623:34
7:35
+0:18
15K
9.32 mi12:01:161:10:507:3624:37
7:55
+0:20
20K
12.43 mi12:27:081:36:427:4725:52
8:20
+0:25
Half
13.11 mi12:32:471:42:217:485:39
8:17
-0:03
25K
15.53 mi12:53:592:03:337:5721:12
8:45
+0:28
30K
18.64 mi13:21:592:31:338:0828:00
9:01
+0:16
20M
20.00 mi13:34:272:44:018:1212:28
9:10
+0:09
21M
21.00 mi13:44:082:53:428:169:41
9:41
+0:31
35K
21.75 mi13:50:303:00:048:176:22
8:31
-1:10
23M
23.00 mi14:01:443:11:188:1911:14
8:58
+0:27
24M
24.00 mi14:10:343:20:088:208:50
8:50
-0:08
40K
24.85 mi14:18:173:27:518:227:43
9:02
+0:12
25.2M
25.20 mi14:21:383:31:128:233:21
9:43
+0:41
Finish
26.22 mi14:30:223:39:568:248:44
8:34
-1:09

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

8:24 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:21

47% of race

Time at Steady Pace

1:32:05

42% of race

Time at Slower Pace

25:30

12% of race

Average Pace: 8:23 /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 mi11:13:0522:397:1722:39
7:17
#8066
10K
6.21 mi11:36:3946:137:2623:34
7:35
#9491
15K
9.32 mi12:01:161:10:507:3624:37
7:55
#10933
20K
12.43 mi12:27:081:36:427:4725:52
8:20
#12229
Half
13.11 mi12:32:471:42:217:485:39
8:17
#12481
25K
15.53 mi12:53:592:03:337:5721:12
8:45
#13498
30K
18.64 mi13:21:592:31:338:0828:00
9:01
#14335
20M
20.00 mi13:34:272:44:018:1212:28
9:10
#14560
21M
21.00 mi13:44:082:53:428:169:41
9:41
#14703
35K
21.75 mi13:50:303:00:048:176:22
8:31
#14710
23M
23.00 mi14:01:443:11:188:1911:14
8:58
#14790
24M
24.00 mi14:10:343:20:088:208:50
8:50
#14833
40K
24.85 mi14:18:173:27:518:227:43
9:02
#14866
25.2M
25.20 mi14:21:383:31:128:233:21
9:43
#14881
Finish
26.22 mi14:30:223:39:568:248:44
8:34
#14933
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi80661044104413788(Top 52%)3961(Top 35%)3961(Top 218%)
10K6.21 mi3.10 mi9491-14251609-5651609-56511215(Top 42%)2447(Top 21%)2447(Top 135%)
15K9.32 mi3.11 mi10933-14422301-6922301-69213788(Top 52%)3961(Top 35%)3961(Top 218%)
20K12.43 mi3.11 mi12229-12963051-7503051-75015770(Top 59%)5205(Top 46%)5205(Top 286%)
Half13.11 mi0.68 mi12481-2523191-1403191-14016379(Top 62%)5511(Top 48%)5511(Top 303%)
25K15.53 mi2.42 mi13498-10173807-6163807-61617625(Top 66%)6348(Top 56%)6348(Top 349%)
30K18.64 mi3.11 mi14335-8374356-5494356-54917241(Top 65%)6205(Top 54%)6205(Top 341%)
20M20.00 mi1.36 mi14560-2254506-1504506-15017425(Top 65%)6404(Top 56%)6404(Top 352%)
21M21.00 mi1.00 mi14703-1434612-1064612-10616779(Top 63%)6055(Top 53%)6055(Top 333%)
35K21.75 mi0.75 mi14710-74628-164628-1615399(Top 58%)5344(Top 47%)5344(Top 294%)
23M23.00 mi1.25 mi14790-804712-844712-8415922(Top 60%)5692(Top 50%)5692(Top 313%)
24M24.00 mi1.00 mi14833-434750-384750-3816400(Top 62%)6020(Top 53%)6020(Top 331%)
40K24.85 mi0.85 mi14866-334802-524802-5216292(Top 61%)6017(Top 53%)6017(Top 331%)
25.2M25.20 mi0.35 mi14881-154818-164818-1616202(Top 61%)5969(Top 52%)5969(Top 329%)
Finish26.22 mi1.02 mi14933-524869-514869-5115835(Top 59%)5714(Top 50%)5714(Top 314%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13788

Females

3961

F45-49

3961

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11215

Females

2447

F45-49

2447

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13788

Females

3961

F45-49

3961

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15770

Females

5205

F45-49

5205

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16379

Females

5511

F45-49

5511

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17625

Females

6348

F45-49

6348

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17241

Females

6205

F45-49

6205

30K→20M

18.6 - 20.0 mi

Top 65%
×5story building
+64ft-50ft

Overall

17425

Females

6404

F45-49

6404

20M→21M

20.0 - 21.0 mi

Top 63%
×8story building
+106ft-24ft

Overall

16779

Females

6055

F45-49

6055

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15399

Females

5344

F45-49

5344

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15922

Females

5692

F45-49

5692

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

16400

Females

6020

F45-49

6020

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16292

Females

6017

F45-49

6017

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16202

Females

5969

F45-49

5969

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15835

Females

5714

F45-49

5714

Passing Analysis

Category:
Athletes Passed
460
Passed By
7325
Net Change
-6867
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8066
5K10K161441-1425#8066#9491
10K15K91449-1442#9491#10933
15K20K171313-1296#10933#12229
20KHalf1253-252#12229#12481
Half25K161033-1017#12481#13498
25K30K45882-837#13498#14335
30K20M36261-225#14335#14560
20M21M37180-143#14560#14703
21M35K4956-7#14703#14710
35K23M55135-80#14710#14790
23M24M5093-43#14790#14833
24M40K5285-33#14833#14866
40K25.2M2742-15#14866#14881
25.2MFinish50102-52#14881#14933
TOTALS4607325-6867
📊

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