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BOSTON MARATHON 2023

Tamara Fecker

Bib: 18904•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
Masters (Masters Women)
#0 / 6539
Top 25%
Division (F40-44)
#0 / 1878
Top 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:15
Rank: #17209
Start → 5K
26:15 | 8:27/mi
10K· 6.21 mi
52:22
Rank: #17398 (-189)
5K → 10K
26:07 | 8:24/mi
15K· 9.32 mi
1:18:07
Rank: #17076 (+322)
10K → 15K
25:45 | 8:17/mi
20K· 12.43 mi
1:43:46
Rank: #16629 (+447)
15K → 20K
25:39 | 8:15/mi
Half· 13.11 mi
1:49:24
Rank: #16601 (+28)
20K → Half
5:38 | 8:15/mi
25K· 15.53 mi
2:09:21
Rank: #16236 (+365)
Half → 25K
19:57 | 8:14/mi
30K· 18.64 mi
2:35:14
Rank: #15659 (+577)
25K → 30K
25:53 | 8:20/mi
20M
2:46:21
Rank: #15348 (+311)
30K → 20M
11:07 | 8:11/mi
21M
2:54:54
Rank: #15076 (+272)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
3:00:53
Rank: #14963 (+113)
21M → 35K
5:59 | 8:00/mi
23M
3:11:02
Rank: #14711 (+252)
35K → 23M
10:09 | 8:06/mi
24M
3:18:53
Rank: #14487 (+224)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:25:39
Rank: #14296 (+191)
24M → 40K
6:46 | 7:55/mi
25.2M
3:28:33
Rank: #14212 (+84)
40K → 25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:36:29
Rank: #14055 (+157)
25.2M → Finish
7:56 | 7:47/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:49:24
Pace8:21 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:47:05
Pace8:10 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5726:158:2726:15
8:27
-
10K
6.21 mi11:46:0452:228:2626:07
8:24
-0:03
15K
9.32 mi12:11:491:18:078:2325:45
8:17
-0:07
20K
12.43 mi12:37:281:43:468:2125:39
8:15
-0:02
Half
13.11 mi12:43:061:49:248:215:38
8:15
0:00
25K
15.53 mi13:03:032:09:218:2019:57
8:14
-0:01
30K
18.64 mi13:28:562:35:148:2025:53
8:20
+0:06
20M
20.00 mi13:40:032:46:218:1911:07
8:11
-0:09
21M
21.00 mi13:48:362:54:548:208:33
8:33
+0:22
35K
21.75 mi13:54:353:00:538:195:59
8:00
-0:33
23M
23.00 mi14:04:443:11:028:1810:09
8:06
+0:06
24M
24.00 mi14:12:353:18:538:177:51
7:51
-0:15
40K
24.85 mi14:19:213:25:398:166:46
7:55
+0:04
25.2M
25.20 mi14:22:153:28:338:172:54
8:25
+0:30
Finish
26.22 mi14:30:113:36:298:167:56
7:47
-0:38

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

7:47 /mi

Average Pace

8:16 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:41

18% of race

Time at Steady Pace

2:57:48

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:15 /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 mi11:19:5726:158:2726:15
8:27
#17209
10K
6.21 mi11:46:0452:228:2626:07
8:24
#17398
15K
9.32 mi12:11:491:18:078:2325:45
8:17
#17076
20K
12.43 mi12:37:281:43:468:2125:39
8:15
#16629
Half
13.11 mi12:43:061:49:248:215:38
8:15
#16601
25K
15.53 mi13:03:032:09:218:2019:57
8:14
#16236
30K
18.64 mi13:28:562:35:148:2025:53
8:20
#15659
20M
20.00 mi13:40:032:46:218:1911:07
8:11
#15348
21M
21.00 mi13:48:362:54:548:208:33
8:33
#15076
35K
21.75 mi13:54:353:00:538:195:59
8:00
#14963
23M
23.00 mi14:04:443:11:028:1810:09
8:06
#14711
24M
24.00 mi14:12:353:18:538:177:51
7:51
#14487
40K
24.85 mi14:19:213:25:398:166:46
7:55
#14296
25.2M
25.20 mi14:22:153:28:338:172:54
8:25
#14212
Finish
26.22 mi14:30:113:36:298:167:56
7:47
#14055
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi172096068606816468(Top 62%)5572(Top 49%)5572(Top 297%)
10K6.21 mi3.10 mi17398-1896161-936161-9317619(Top 66%)6249(Top 55%)6249(Top 333%)
15K9.32 mi3.11 mi17076+3225952+2095952+20916468(Top 62%)5572(Top 49%)5572(Top 297%)
20K12.43 mi3.11 mi16629+4475694+2585694+25815318(Top 58%)4909(Top 43%)4909(Top 261%)
Half13.11 mi0.68 mi16601+285682+125682+1216200(Top 61%)5401(Top 47%)5401(Top 288%)
25K15.53 mi2.42 mi16236+3655476+2065476+20614451(Top 54%)4478(Top 39%)4478(Top 238%)
30K18.64 mi3.11 mi15659+5775159+3175159+31713240(Top 50%)3893(Top 34%)3893(Top 207%)
20M20.00 mi1.36 mi15348+3114995+1644995+16411612(Top 44%)3074(Top 27%)3074(Top 164%)
21M21.00 mi1.00 mi15076+2724847+1484847+14810805(Top 41%)2784(Top 24%)2784(Top 148%)
35K21.75 mi0.75 mi14963+1134791+564791+5612181(Top 46%)3544(Top 31%)3544(Top 189%)
23M23.00 mi1.25 mi14711+2524659+1324659+13210555(Top 40%)2804(Top 25%)2804(Top 149%)
24M24.00 mi1.00 mi14487+2244545+1144545+11410209(Top 38%)2702(Top 24%)2702(Top 144%)
40K24.85 mi0.85 mi14296+1914453+924453+929519(Top 36%)2434(Top 21%)2434(Top 130%)
25.2M25.20 mi0.35 mi14212+844417+364417+369092(Top 34%)2318(Top 20%)2318(Top 123%)
Finish26.22 mi1.02 mi14055+1574332+854332+8510613(Top 40%)3005(Top 26%)3005(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16468

Females

5572

F40-44

5572

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17619

Females

6249

F40-44

6249

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16468

Females

5572

F40-44

5572

15K→20K

9.3 - 12.4 mi

Top 58%
×5stories
+106ft-86ft

Overall

15318

Females

4909

F40-44

4909

20K→Half

12.4 - 13.1 mi

Top 61%
×2stories
+19ft-37ft

Overall

16200

Females

5401

F40-44

5401

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14451

Females

4478

F40-44

4478

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

13240

Females

3893

F40-44

3893

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11612

Females

3074

F40-44

3074

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10805

Females

2784

F40-44

2784

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

12181

Females

3544

F40-44

3544

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10555

Females

2804

F40-44

2804

23M→24M

23.0 - 24.0 mi

Top 38%
×6stories
+12ft-82ft

Overall

10209

Females

2702

F40-44

2702

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9519

Females

2434

F40-44

2434

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9092

Females

2318

F40-44

2318

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10613

Females

3005

F40-44

3005

Passing Analysis

Category:
Athletes Passed
3740
Passed By
586
Net Change
+3154
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17209
5K → 10K234423-189#17209#17398
10K → 15K39169+322#17398#17076
15K → 20K47629+447#17076#16629
20K → Half4214+28#16629#16601
Half → 25K37611+365#16601#16236
25K → 30K58710+577#16236#15659
30K → 20M3132+311#15659#15348
20M → 21M2731+272#15348#15076
21M → 35K1196+113#15076#14963
35K → 23M2608+252#14963#14711
23M → 24M2262+224#14711#14487
24M → 40K1910+191#14487#14296
40K → 25.2M840+84#14296#14212
25.2M → Finish16811+157#14212#14055
TOTALS3740586+3154
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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