Fernanda Spencer

Bib: 14965F

MO

Boston Marathon logo
0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 48%
Age Group (F18-39)
#0 / 5716
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
23:15
3.11 mi
Rank: #12660
Start5K
23:15 | 7:30/mi
10K
47:54
6.21 mi
Rank: #14711 (-2051)
5K10K
24:39 | 7:57/mi
15K
1:13:07
9.32 mi
Rank: #15805 (-1094)
10K15K
25:13 | 8:07/mi
20K
1:39:04
12.43 mi
Rank: #16594 (-789)
15K20K
25:57 | 8:22/mi
HALF
1:44:39
13.11 mi
Rank: #16680 (-86)
20KHALF
5:35 | 8:12/mi
25K
2:05:15
15.53 mi
Rank: #17020 (-340)
HALF25K
20:36 | 8:30/mi
30K
2:32:15
18.64 mi
Rank: #17162 (-142)
25K30K
27:00 | 8:42/mi
20M
2:44:33
20.00 mi
Rank: #17335 (-173)
30K20M
12:18 | 9:04/mi
21M
2:53:47
21.00 mi
Rank: #17302 (+33)
20M21M
9:14 | 9:14/mi
35K
2:59:59
21.75 mi
Rank: #17251 (+51)
21M35K
6:12 | 8:18/mi
23M
3:10:55
23.00 mi
Rank: #17218 (+33)
35K23M
10:56 | 8:45/mi
24M
3:19:18
24.00 mi
Rank: #17142 (+76)
23M24M
8:23 | 8:23/mi
40K
3:26:37
24.85 mi
Rank: #17077 (+65)
24M40K
7:19 | 8:34/mi
25.2M
3:29:43
25.20 mi
Rank: #17033 (+44)
40K25.2M
3:06 | 9:00/mi
FINISH
3:37:56
26.22 mi
Rank: #16972 (+61)
25.2MFINISH
8:13 | 8:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:39
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:53:17
Pace8:39 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1523:157:3023:15
7:30
-
10K
6.21 mi11:18:5447:547:4324:39
7:57
+0:27
15K
9.32 mi11:44:071:13:077:5125:13
8:07
+0:10
20K
12.43 mi12:10:041:39:047:5925:57
8:22
+0:15
HALF
13.11 mi12:15:391:44:397:595:35
8:12
-0:10
25K
15.53 mi12:36:152:05:158:0420:36
8:30
+0:18
30K
18.64 mi13:03:152:32:158:1127:00
8:42
+0:12
20M
20.00 mi13:15:332:44:338:1412:18
9:04
+0:22
21M
21.00 mi13:24:472:53:478:179:14
9:14
+0:10
35K
21.75 mi13:30:592:59:598:176:12
8:18
-0:56
23M
23.00 mi13:41:553:10:558:1910:56
8:45
+0:27
24M
24.00 mi13:50:183:19:188:198:23
8:23
-0:22
40K
24.85 mi13:57:373:26:378:197:19
8:34
+0:11
25.2M
25.20 mi14:00:433:29:438:203:06
9:00
+0:26
FINISH
26.22 mi14:08:563:37:568:208:13
8:04
-0:56

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

7:30 /mi

Average Pace

8:19 /mi

Slowest Pace

9:14 /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

1:21:20

37% of race

Time at Steady Pace

1:14:02

34% of race

Time at Slower Pace

1:02:34

29% of race

Average Pace: 8:19 /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 mi10:54:1523:157:3023:15
7:30
#12660
10K
6.21 mi11:18:5447:547:4324:39
7:57
#14711
15K
9.32 mi11:44:071:13:077:5125:13
8:07
#15805
20K
12.43 mi12:10:041:39:047:5925:57
8:22
#16594
HALF
13.11 mi12:15:391:44:397:595:35
8:12
#16680
25K
15.53 mi12:36:152:05:158:0420:36
8:30
#17020
30K
18.64 mi13:03:152:32:158:1127:00
8:42
#17162
20M
20.00 mi13:15:332:44:338:1412:18
9:04
#17335
21M
21.00 mi13:24:472:53:478:179:14
9:14
#17302
35K
21.75 mi13:30:592:59:598:176:12
8:18
#17251
23M
23.00 mi13:41:553:10:558:1910:56
8:45
#17218
24M
24.00 mi13:50:183:19:188:198:23
8:23
#17142
40K
24.85 mi13:57:373:26:378:197:19
8:34
#17077
25.2M
25.20 mi14:00:433:29:438:203:06
9:00
#17033
FINISH
26.22 mi14:08:563:37:568:208:13
8:04
#16972
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126603295329517817(Top 61%)6377(Top 51%)6377(Top 112%)
10K6.21 mi3.10 mi14711-20514522-12274522-122716755(Top 58%)5770(Top 46%)5770(Top 101%)
15K9.32 mi3.11 mi15805-10945212-6905212-69017817(Top 61%)6377(Top 51%)6377(Top 112%)
20K12.43 mi3.11 mi16594-7895696-4845696-48418435(Top 64%)6759(Top 54%)6759(Top 118%)
HALF13.11 mi0.68 mi16680-865749-535749-5318368(Top 63%)6680(Top 53%)6680(Top 117%)
25K15.53 mi2.42 mi17020-3405960-2115960-21118550(Top 64%)6869(Top 55%)6869(Top 120%)
30K18.64 mi3.11 mi17162-1426053-936053-9317971(Top 62%)6648(Top 53%)6648(Top 116%)
20M20.00 mi1.36 mi17335-1736160-1076160-10719209(Top 66%)7379(Top 59%)7379(Top 129%)
21M21.00 mi1.00 mi17302+336163-36163-317342(Top 60%)6443(Top 51%)6443(Top 113%)
35K21.75 mi0.75 mi17251+516154+96154+916390(Top 56%)5975(Top 48%)5975(Top 105%)
23M23.00 mi1.25 mi17218+336161-76161-717123(Top 59%)6493(Top 52%)6493(Top 114%)
24M24.00 mi1.00 mi17142+766142+196142+1916235(Top 56%)6035(Top 48%)6035(Top 106%)
40K24.85 mi0.85 mi17077+656130+126130+1216059(Top 55%)6003(Top 48%)6003(Top 105%)
25.2M25.20 mi0.35 mi17033+446113+176113+1714754(Top 51%)5323(Top 42%)5323(Top 93%)
FINISH26.22 mi1.02 mi16972+616098+156098+1515600(Top 54%)5735(Top 46%)5735(Top 100%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21
+97ft-345ft

Overall

17817

Females

6377

F18-39

6377

5K→10K

3.1 - 6.2 mi

Top 58%
×5
+79ft-138ft

Overall

16755

Females

5770

F18-39

5770

10K→15K

6.2 - 9.3 mi

Top 61%
×3
+67ft-78ft

Overall

17817

Females

6377

F18-39

6377

15K→20K

9.3 - 12.4 mi

Top 64%
×5
+106ft-86ft

Overall

18435

Females

6759

F18-39

6759

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18368

Females

6680

F18-39

6680

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18550

Females

6869

F18-39

6869

25K→30K

15.5 - 18.6 mi

Top 62%
×9
+181ft-148ft

Overall

17971

Females

6648

F18-39

6648

30K→20M

18.6 - 20.0 mi

Top 66%
×5
+64ft-50ft

Overall

19209

Females

7379

F18-39

7379

20M→21M

20.0 - 21.0 mi

Top 60%
×8
+106ft-24ft

Overall

17342

Females

6443

F18-39

6443

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16390

Females

5975

F18-39

5975

35K→23M

21.8 - 23.0 mi

Top 59%
×5
+23ft-63ft

Overall

17123

Females

6493

F18-39

6493

23M→24M

23.0 - 24.0 mi

Top 56%
×6
+12ft-82ft

Overall

16235

Females

6035

F18-39

6035

24M→40K

24.0 - 24.9 mi

Top 55%
×1
+6ft-20ft

Overall

16059

Females

6003

F18-39

6003

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1
+13ft-16ft

Overall

14754

Females

5323

F18-39

5323

25.2M→FINISH

25.2 - 26.2 mi

Top 54%
×2
+22ft-21ft

Overall

15600

Females

5735

F18-39

5735

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1003
Passed By
5315
Net Change
-4312
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12660
5K10K152066-2051#12660#14711
10K15K291123-1094#14711#15805
15K20K40829-789#15805#16594
20KHALF894-86#16594#16680
HALF25K60400-340#16680#17020
25K30K163305-142#17020#17162
30K20M44217-173#17162#17335
20M21M10572+33#17335#17302
21M35K7827+51#17302#17251
35K23M11481+33#17251#17218
23M24M10630+76#17218#17142
24M40K9732+65#17142#17077
40K25.2M506+44#17077#17033
25.2MFINISH9433+61#17033#16972
TOTALS10035315-4312
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

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

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

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