Dana Jackson

Bib: 19453F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 44%
Masters (Masters Women)
#0 / 6263
Top 34%
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7469 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
8:20/mi
25:53
973451.5%
10K· 6.21 mi
8:23/mi
51:56
791380.4%
15K· 9.32 mi
8:23/mi
1:18:00
6778
20K· 12.43 mi
8:28/mi
1:44:17
106860.1%
Half· 13.11 mi
8:21/mi
1:49:59
19370.5%
25K· 15.53 mi
8:37/mi
2:10:53
66880.2%
30K· 18.64 mi
8:56/mi
2:38:37
1811480.2%
20M
8:55/mi
2:50:44
64500.2%
21M
9:30/mi
3:00:14
106241.6%
35K· 21.75 mi
8:37/mi
3:06:41
17861.7%
23M
9:15/mi
3:18:16
23630.6%
24M
9:01/mi
3:27:17
821.3%
40K· 24.85 mi
9:21/mi
3:35:17
200.3%
25.2M
10:41/mi
3:38:58
13160.2%
Finish· 26.22 mi
9:40/mi
3:48:49
2221

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:59
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:58:50
Pace9:04 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3425:538:2025:53
8:20
-
10K
6.21 mi11:44:3751:568:2126:03
8:23
+0:03
15K
9.32 mi12:10:411:18:008:2226:04
8:23
0:00
20K
12.43 mi12:36:581:44:178:2326:17
8:28
+0:05
Half
13.11 mi12:42:401:49:598:235:42
8:21
-0:07
25K
15.53 mi13:03:342:10:538:2620:54
8:37
+0:16
30K
18.64 mi13:31:182:38:378:3127:44
8:56
+0:19
20M
20.00 mi13:43:252:50:448:3212:07
8:55
-0:01
21M
21.00 mi13:52:553:00:148:359:30
9:30
+0:35
35K
21.75 mi13:59:223:06:418:356:27
8:37
-0:53
23M
23.00 mi14:10:573:18:168:3711:35
9:15
+0:38
24M
24.00 mi14:19:583:27:178:389:01
9:01
-0:14
40K
24.85 mi14:27:583:35:178:408:00
9:21
+0:20
25.2M
25.20 mi14:31:393:38:588:413:41
10:41
+1:20
Finish
26.22 mi14:41:303:48:498:449:51
9:40
-1:01

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

8:20 /mi

Average Pace

8:44 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:59

48% of race

Time at Steady Pace

1:16:13

33% of race

Time at Slower Pace

42:37

19% of race

Average Pace: 8:44 /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 mi11:18:3425:538:2025:53
8:20
#16830
10K
6.21 mi11:44:3751:568:2126:03
8:23
#16681
15K
9.32 mi12:10:411:18:008:2226:04
8:23
#16326
20K
12.43 mi12:36:581:44:178:2326:17
8:28
#15792
Half
13.11 mi12:42:401:49:598:235:42
8:21
#15748
25K
15.53 mi13:03:342:10:538:2620:54
8:37
#15350
30K
18.64 mi13:31:182:38:378:3127:44
8:56
#14858
20M
20.00 mi13:43:252:50:448:3212:07
8:55
#14595
21M
21.00 mi13:52:553:00:148:359:30
9:30
#14348
35K
21.75 mi13:59:223:06:418:356:27
8:37
#14188
23M
23.00 mi14:10:573:18:168:3711:35
9:15
#14077
24M
24.00 mi14:19:583:27:178:389:01
9:01
#13965
40K
24.85 mi14:27:583:35:178:408:00
9:21
#13891
25.2M
25.20 mi14:31:393:38:588:413:41
10:41
#13870
Finish
26.22 mi14:41:303:48:498:449:51
9:40
#14026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi168306059605915779(Top 62%)5436(Top 50%)5436(Top 337%)
10K6.21 mi3.10 mi16681+1495967+925967+9216610(Top 65%)5894(Top 54%)5894(Top 365%)
15K9.32 mi3.11 mi16326+3555754+2135754+21315779(Top 62%)5436(Top 50%)5436(Top 337%)
20K12.43 mi3.11 mi15792+5345445+3095445+30914604(Top 57%)4779(Top 44%)4779(Top 296%)
Half13.11 mi0.68 mi15748+445423+225423+2214936(Top 58%)5003(Top 46%)5003(Top 310%)
25K15.53 mi2.42 mi15350+3985210+2135210+21313707(Top 54%)4444(Top 41%)4444(Top 276%)
30K18.64 mi3.11 mi14858+4924996+2144996+21412877(Top 50%)4217(Top 39%)4217(Top 261%)
20M20.00 mi1.36 mi14595+2634882+1144882+11411718(Top 46%)3875(Top 35%)3875(Top 240%)
21M21.00 mi1.00 mi14348+2474791+914791+9110877(Top 43%)3687(Top 34%)3687(Top 229%)
35K21.75 mi0.75 mi14188+1604730+614730+6111457(Top 45%)4009(Top 37%)4009(Top 249%)
23M23.00 mi1.25 mi14077+1114724+64724+612404(Top 49%)4616(Top 42%)4616(Top 286%)
24M24.00 mi1.00 mi13965+1124712+124712+1212272(Top 48%)4558(Top 42%)4558(Top 283%)
40K24.85 mi0.85 mi13891+744710+24710+212532(Top 49%)4805(Top 44%)4805(Top 298%)
25.2M25.20 mi0.35 mi13870+214718-84718-813460(Top 53%)5292(Top 48%)5292(Top 328%)
Finish26.22 mi1.02 mi14026-1564832-1144832-11417215(Top 67%)7110(Top 65%)7110(Top 441%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

15779

Females

5436

F40-44

5436

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

16610

Females

5894

F40-44

5894

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

15779

Females

5436

F40-44

5436

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

14604

Females

4779

F40-44

4779

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

14936

Females

5003

F40-44

5003

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

13707

Females

4444

F40-44

4444

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

12877

Females

4217

F40-44

4217

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

11718

Females

3875

F40-44

3875

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

10877

Females

3687

F40-44

3687

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11457

Females

4009

F40-44

4009

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

12404

Females

4616

F40-44

4616

23M→24M

23.0 - 24.0 mi

Top 48%
×6story building
+12ft-82ft

Overall

12272

Females

4558

F40-44

4558

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12532

Females

4805

F40-44

4805

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

13460

Females

5292

F40-44

5292

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17215

Females

7110

F40-44

7110

Passing Analysis

Category:
Athletes Passed
3656
Passed By
852
Net Change
+2804
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16830
5K10K357208+149#16830#16681
10K15K42873+355#16681#16326
15K20K56329+534#16326#15792
20KHalf6016+44#15792#15748
Half25K43537+398#15748#15350
25K30K54654+492#15350#14858
30K20M27916+263#14858#14595
20M21M27528+247#14595#14348
21M35K17313+160#14348#14188
35K23M17564+111#14188#14077
23M24M15341+112#14077#13965
24M40K12046+74#13965#13891
40K25.2M5130+21#13891#13870
25.2MFinish41197-156#13870#14026
TOTALS3656852+2804
📊

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