Jenni Tobin

Bib: 23236F

CO

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 45%
Gender (Female)
#0 / 12578
Top 30%
Masters (Masters Women)
#0 / 6862
Top 15%
Age Group (F45-49)
#0 / 1786
Top 15%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
25:06
3.11 mi
Rank: #17476
Start5K
25:06 | 8:05/mi
10K
49:55
6.21 mi
Rank: #17310 (+166)
5K10K
24:49 | 8:00/mi
15K
1:14:23
9.32 mi
Rank: #16902 (+408)
10K15K
24:28 | 7:53/mi
20K
1:38:38
12.43 mi
Rank: #16320 (+582)
15K20K
24:15 | 7:49/mi
HALF
1:43:52
13.11 mi
Rank: #16224 (+96)
20KHALF
5:14 | 7:41/mi
25K
2:02:47
15.53 mi
Rank: #15806 (+418)
HALF25K
18:55 | 7:49/mi
30K
2:27:02
18.64 mi
Rank: #15076 (+730)
25K30K
24:15 | 7:49/mi
20M
2:37:38
20.00 mi
Rank: #14774 (+302)
30K20M
10:36 | 7:49/mi
21M
2:45:26
21.00 mi
Rank: #14359 (+415)
20M21M
7:48 | 7:48/mi
35K
2:50:56
21.75 mi
Rank: #14184 (+175)
21M35K
5:30 | 7:22/mi
23M
3:00:18
23.00 mi
Rank: #13845 (+339)
35K23M
9:22 | 7:30/mi
24M
3:07:39
24.00 mi
Rank: #13610 (+235)
23M24M
7:21 | 7:21/mi
40K
3:14:05
24.85 mi
Rank: #13409 (+201)
24M40K
6:26 | 7:32/mi
25.2M
3:16:47
25.20 mi
Rank: #13284 (+125)
40K25.2M
2:42 | 7:50/mi
FINISH
3:23:54
26.22 mi
Rank: #13037 (+247)
25.2MFINISH
7:07 | 7:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:43:52
Pace7:56 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:02
Pace7:38 /mi
📊Negative Split: 3.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:4325:068:0525:06
8:05
-
10K
6.21 mi11:52:3249:558:0224:49
8:00
-0:05
15K
9.32 mi12:17:001:14:237:5924:28
7:53
-0:07
20K
12.43 mi12:41:151:38:387:5724:15
7:49
-0:04
HALF
13.11 mi12:46:291:43:527:565:14
7:41
-0:08
25K
15.53 mi13:05:242:02:477:5518:55
7:49
+0:08
30K
18.64 mi13:29:392:27:027:5424:15
7:49
0:00
20M
20.00 mi13:40:152:37:387:5310:36
7:49
0:00
21M
21.00 mi13:48:032:45:267:537:48
7:48
-0:01
35K
21.75 mi13:53:332:50:567:525:30
7:22
-0:26
23M
23.00 mi14:02:553:00:187:519:22
7:30
+0:08
24M
24.00 mi14:10:163:07:397:507:21
7:21
-0:09
40K
24.85 mi14:16:423:14:057:496:26
7:32
+0:11
25.2M
25.20 mi14:19:243:16:477:492:42
7:50
+0:18
FINISH
26.22 mi14:26:313:23:547:477:07
7:00
-0:50

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:00 /mi

Average Pace

7:47 /mi

Slowest Pace

8:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

41:00

20% of race

Time at Steady Pace

2:42:54

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:27:4325:068:0525:06
8:05
#17476
10K
6.21 mi11:52:3249:558:0224:49
8:00
#17310
15K
9.32 mi12:17:001:14:237:5924:28
7:53
#16902
20K
12.43 mi12:41:151:38:387:5724:15
7:49
#16320
HALF
13.11 mi12:46:291:43:527:565:14
7:41
#16224
25K
15.53 mi13:05:242:02:477:5518:55
7:49
#15806
30K
18.64 mi13:29:392:27:027:5424:15
7:49
#15076
20M
20.00 mi13:40:152:37:387:5310:36
7:49
#14774
21M
21.00 mi13:48:032:45:267:537:48
7:48
#14359
35K
21.75 mi13:53:332:50:567:525:30
7:22
#14184
23M
23.00 mi14:02:553:00:187:519:22
7:30
#13845
24M
24.00 mi14:10:163:07:397:507:21
7:21
#13610
40K
24.85 mi14:16:423:14:057:496:26
7:32
#13409
25.2M
25.20 mi14:19:243:16:477:492:42
7:50
#13284
FINISH
26.22 mi14:26:313:23:547:477:07
7:00
#13037
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi174766191619115979(Top 55%)5323(Top 42%)5323(Top 298%)
10K6.21 mi3.10 mi17310+1666106+856106+8517140(Top 59%)5987(Top 48%)5987(Top 335%)
15K9.32 mi3.11 mi16902+4085868+2385868+23815979(Top 55%)5323(Top 42%)5323(Top 298%)
20K12.43 mi3.11 mi16320+5825533+3355533+33514568(Top 50%)4537(Top 36%)4537(Top 254%)
HALF13.11 mi0.68 mi16224+965483+505483+5014577(Top 50%)4464(Top 35%)4464(Top 250%)
25K15.53 mi2.42 mi15806+4185250+2335250+23313847(Top 48%)4201(Top 33%)4201(Top 235%)
30K18.64 mi3.11 mi15076+7304836+4144836+41412033(Top 41%)3330(Top 26%)3330(Top 186%)
20M20.00 mi1.36 mi14774+3024691+1454691+14511404(Top 39%)3108(Top 25%)3108(Top 174%)
21M21.00 mi1.00 mi14359+4154455+2364455+2368583(Top 30%)1870(Top 15%)1870(Top 105%)
35K21.75 mi0.75 mi14184+1754377+784377+789813(Top 34%)2422(Top 19%)2422(Top 136%)
23M23.00 mi1.25 mi13845+3394220+1574220+1578807(Top 30%)2026(Top 16%)2026(Top 113%)
24M24.00 mi1.00 mi13610+2354108+1124108+1129036(Top 31%)2206(Top 18%)2206(Top 124%)
40K24.85 mi0.85 mi13409+2014015+934015+939097(Top 31%)2341(Top 19%)2341(Top 131%)
25.2M25.20 mi0.35 mi13284+1253946+693946+697393(Top 25%)1631(Top 13%)1631(Top 91%)
FINISH26.22 mi1.02 mi13037+2473836+1103836+1107492(Top 26%)1709(Top 14%)1709(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

15979

Females

5323

F45-49

5323

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17140

Females

5987

F45-49

5987

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

15979

Females

5323

F45-49

5323

15K→20K

9.3 - 12.4 mi

Top 50%
×5
+106ft-86ft

Overall

14568

Females

4537

F45-49

4537

20K→HALF

12.4 - 13.1 mi

Top 50%
×2
+19ft-37ft

Overall

14577

Females

4464

F45-49

4464

HALF→25K

13.1 - 15.5 mi

Top 48%
×4
+66ft-88ft

Overall

13847

Females

4201

F45-49

4201

25K→30K

15.5 - 18.6 mi

Top 41%
×9
+181ft-148ft

Overall

12033

Females

3330

F45-49

3330

30K→20M

18.6 - 20.0 mi

Top 39%
×5
+64ft-50ft

Overall

11404

Females

3108

F45-49

3108

20M→21M

20.0 - 21.0 mi

Top 30%
×8
+106ft-24ft

Overall

8583

Females

1870

F45-49

1870

21M→35K

21.0 - 21.8 mi

Top 34%
×7
+17ft-86ft

Overall

9813

Females

2422

F45-49

2422

35K→23M

21.8 - 23.0 mi

Top 30%
×5
+23ft-63ft

Overall

8807

Females

2026

F45-49

2026

23M→24M

23.0 - 24.0 mi

Top 31%
×6
+12ft-82ft

Overall

9036

Females

2206

F45-49

2206

24M→40K

24.0 - 24.9 mi

Top 31%
×1
+6ft-20ft

Overall

9097

Females

2341

F45-49

2341

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1
+13ft-16ft

Overall

7393

Females

1631

F45-49

1631

25.2M→FINISH

25.2 - 26.2 mi

Top 26%
×2
+22ft-21ft

Overall

7492

Females

1709

F45-49

1709

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4746*
Passed By
307
Net Change
+4439
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17476
5K10K366*200+166#17476#17310
10K15K464*56+408#17310#16902
15K20K597*15+582#16902#16320
20KHALF1015+96#16320#16224
HALF25K426*8+418#16224#15806
25K30K738*8+730#15806#15076
30K20M305*3+302#15076#14774
20M21M415*0+415#14774#14359
21M35K1761+175#14359#14184
35K23M340*1+339#14184#13845
23M24M237*2+235#13845#13610
24M40K205*4+201#13610#13409
40K25.2M1261+125#13409#13284
25.2MFINISH250*3+247#13284#13037
TOTALS4746*307+4439

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing