Miriam Siebertz

Bib: 27966F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:05
Rank: #23457
Start5K
10:00/mi
31:05 split
10K· 6.21 mi
1:00:02
Rank: #22784 (+673)
5K10K
9:19/mi
28:57 split
15K· 9.32 mi
1:28:57
Rank: #22433 (+351)
10K15K
9:18/mi
28:55 split
20K· 12.43 mi
1:58:05
Rank: #22110 (+323)
15K20K
9:23/mi
29:08 split
Half· 13.11 mi
2:04:33
Rank: #22112 (-2)
20KHalf
9:29/mi
6:28 split
25K· 15.53 mi
2:27:59
Rank: #21962 (+150)
Half25K
9:40/mi
23:26 split
30K· 18.64 mi
2:59:03
Rank: #21759 (+203)
25K30K
10:00/mi
31:04 split
20M
3:12:53
Rank: #21716 (+43)
30K20M
10:11/mi
13:50 split
21M
3:25:16
Rank: #21860 (-144)
20M21M
12:23/mi
12:23 split
35K· 21.75 mi
3:34:20
Rank: #22041 (-181)
21M35K
12:07/mi
9:04 split
23M
3:48:13
Rank: #22061 (-20)
35K23M
11:05/mi
13:53 split
24M
3:59:21
Rank: #22112 (-51)
23M24M
11:08/mi
11:08 split
40K· 24.85 mi
4:08:41
Rank: #22121 (-9)
24M40K
10:55/mi
9:20 split
25.2M
4:12:29
Rank: #22092 (+29)
40K25.2M
11:01/mi
3:48 split
Finish· 26.22 mi
4:22:43
Rank: #22081 (+11)
25.2MFinish
10:03/mi
10:14 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:33
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:18:10
Pace10:32 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:3531:0510:0031:05
10:00
-
10K
6.21 mi12:17:321:00:029:4028:57
9:19
-0:41
15K
9.32 mi12:46:271:28:579:3328:55
9:18
-0:01
20K
12.43 mi13:15:351:58:059:3029:08
9:23
+0:05
Half
13.11 mi13:22:032:04:339:306:28
9:29
+0:06
25K
15.53 mi13:45:292:27:599:3223:26
9:40
+0:11
30K
18.64 mi14:16:332:59:039:3631:04
10:00
+0:20
20M
20.00 mi14:30:233:12:539:3913:50
10:11
+0:11
21M
21.00 mi14:42:463:25:169:4612:23
12:23
+2:12
35K
21.75 mi14:51:503:34:209:519:04
12:07
-0:16
23M
23.00 mi15:05:433:48:139:5513:53
11:05
-1:02
24M
24.00 mi15:16:513:59:219:5811:08
11:08
+0:03
40K
24.85 mi15:26:114:08:4110:009:20
10:55
-0:13
25.2M
25.20 mi15:29:594:12:2910:013:48
11:01
+0:06
Finish
26.22 mi15:40:134:22:4310:0210:14
10:03
-0:58

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

9:18 /mi

Average Pace

10:02 /mi

Slowest Pace

12:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:28

36% of race

Time at Steady Pace

1:49:39

42% of race

Time at Slower Pace

59:36

23% of race

Average Pace: 10:01 /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 mi11:48:3531:0510:0031:05
10:00
#23457
10K
6.21 mi12:17:321:00:029:4028:57
9:19
#22784
15K
9.32 mi12:46:271:28:579:3328:55
9:18
#22433
20K
12.43 mi13:15:351:58:059:3029:08
9:23
#22110
Half
13.11 mi13:22:032:04:339:306:28
9:29
#22112
25K
15.53 mi13:45:292:27:599:3223:26
9:40
#21962
30K
18.64 mi14:16:332:59:039:3631:04
10:00
#21759
20M
20.00 mi14:30:233:12:539:3913:50
10:11
#21716
21M
21.00 mi14:42:463:25:169:4612:23
12:23
#21860
35K
21.75 mi14:51:503:34:209:519:04
12:07
#22041
23M
23.00 mi15:05:433:48:139:5513:53
11:05
#22061
24M
24.00 mi15:16:513:59:219:5811:08
11:08
#22112
40K
24.85 mi15:26:114:08:4110:009:20
10:55
#22121
25.2M
25.20 mi15:29:594:12:2910:013:48
11:01
#22092
Finish
26.22 mi15:40:134:22:4310:0210:14
10:03
#22081
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi234579627962721668(Top 81%)8596(Top 75%)8596(Top 712%)
10K6.21 mi3.10 mi22784+6739248+3799248+37921988(Top 83%)8817(Top 77%)8817(Top 730%)
15K9.32 mi3.11 mi22433+3519058+1909058+19021668(Top 81%)8596(Top 75%)8596(Top 712%)
20K12.43 mi3.11 mi22110+3238888+1708888+17021193(Top 80%)8342(Top 73%)8342(Top 691%)
Half13.11 mi0.68 mi22112-28893-58893-522077(Top 83%)8826(Top 77%)8826(Top 731%)
25K15.53 mi2.42 mi21962+1508804+898804+8921349(Top 80%)8468(Top 74%)8468(Top 702%)
30K18.64 mi3.11 mi21759+2038696+1088696+10821037(Top 79%)8369(Top 73%)8369(Top 693%)
20M20.00 mi1.36 mi21716+438683+138683+1320974(Top 79%)8401(Top 74%)8401(Top 696%)
21M21.00 mi1.00 mi21860-1448776-938776-9323309(Top 88%)9707(Top 85%)9707(Top 804%)
35K21.75 mi0.75 mi22041-1818884-1088884-10824800(Top 93%)10554(Top 92%)10554(Top 874%)
23M23.00 mi1.25 mi22061-208906-228906-2222507(Top 85%)9327(Top 82%)9327(Top 773%)
24M24.00 mi1.00 mi22112-518943-378943-3723297(Top 88%)9795(Top 86%)9795(Top 812%)
40K24.85 mi0.85 mi22121-98957-148957-1422187(Top 83%)9231(Top 81%)9231(Top 765%)
25.2M25.20 mi0.35 mi22092+298946+118946+1120554(Top 77%)8356(Top 73%)8356(Top 692%)
Finish26.22 mi1.02 mi22081+118952-68952-621887(Top 82%)9058(Top 79%)9058(Top 750%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21668

Females

8596

F50-54

8596

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

21988

Females

8817

F50-54

8817

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21668

Females

8596

F50-54

8596

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

21193

Females

8342

F50-54

8342

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22077

Females

8826

F50-54

8826

Half→25K

13.1 - 15.5 mi

Top 80%
×4story building
+66ft-88ft

Overall

21349

Females

8468

F50-54

8468

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

21037

Females

8369

F50-54

8369

30K→20M

18.6 - 20.0 mi

Top 79%
×5story building
+64ft-50ft

Overall

20974

Females

8401

F50-54

8401

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23309

Females

9707

F50-54

9707

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24800

Females

10554

F50-54

10554

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22507

Females

9327

F50-54

9327

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

23297

Females

9795

F50-54

9795

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22187

Females

9231

F50-54

9231

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20554

Females

8356

F50-54

8356

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21887

Females

9058

F50-54

9058

Passing Analysis

Category:
Athletes Passed
2165
Passed By
789
Net Change
+1376
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23457
5K10K70229+673#23457#22784
10K15K38130+351#22784#22433
15K20K34320+323#22433#22110
20KHalf2628-2#22110#22112
Half25K17626+150#22112#21962
25K30K25047+203#21962#21759
30K20M8138+43#21759#21716
20M21M25169-144#21716#21860
21M35K2183-181#21860#22041
35K23M4565-20#22041#22061
23M24M2879-51#22061#22112
24M40K3241-9#22112#22121
40K25.2M345+29#22121#22092
25.2MFinish4029+11#22092#22081
TOTALS2165789+1376
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing