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SF MARATHON 1ST HALF 2026

Elizabeth Boyd

Brentwood, TN

Bib: 19770 F 52

0:00
0:00
/ mi
Masters
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Overall
#0 / 6575
Top 46%
Gender (Female)
#0 / 2930
Top 34%
Masters (Masters Women)
#0 / 781
Top 26%
Division (F50-54)
#0 / 143
Top 31%
Race Day Weather
59°/49°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
2M
10:19/mi
20:39
→ flat
12 ft elev
4M
10:28/mi
41:34
↑ 67↓ 69
10 ft elev
6M
10:28/mi
1:02:30
↑ 1231.1%
126 ft elev
8M
11:39/mi
1:25:49
↑ 166↓ 531.1%
246 ft elev
9.6M
8:14/mi
1:38:59
↑ 68↓ 1931.5%
126 ft elev
10M
18:44/mi
1:46:28
↓ 241.1%
90 ft elev
10.5M
5:12/mi
1:49:04
↓ 732.7%
18 ft elev
12M
13:49/mi
2:09:47
↑ 2803.2%
272 ft elev
Finish· 13.11 mi
10:18/mi
2:21:13
↑ 14↓ 891.3%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6M
1:02:3010:25 /mi⚡ faster
2nd Half
1:18:4311:04 /mi+25.9%
Positive split — 25.9% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
2M
20:3910:192.00 mi20:39
10:19
-
4M
41:3410:242.00 mi20:55
10:28
+0:09
6M
1:02:3010:252.00 mi20:56
10:28
0:00
8M
1:25:4910:442.00 mi23:19
11:39
+1:11
9.6M
1:38:5910:191.60 mi13:10
8:14
-3:25
10M
1:46:2810:390.40 mi7:29
18:44
+10:30
10.5M
1:49:0410:230.50 mi2:36
5:12
-13:32
12M
2:09:4710:491.50 mi20:43
13:49
+8:37
Finish(13.11 mi)
2:21:1310:461.11 mi11:26
10:18
-3:31
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

5:12 /mi

Average Pace

10:46 /mi

Slowest Pace

18:44 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

15:46

11% of race

Time at Steady Pace

1:37:15

69% of race

Time at Slower Pace

28:12

20% of race

Average Pace: 10:46 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower
Featured Segment

Garmin Challenge

Top 44%
Garmin Challenge
Course map with the garmin challenge highlighted
Garmin Challenge · 9.6–10.5 mi · © Mapbox © OpenStreetMap

10:05

Segment Time

11:12/mi

Pace

0.90 mi

Distance

Overall

2914

Women

954

Division

38

See the full Garmin Challenge leaderboard

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
2M2.00 mi3607123050257582037
4M2.00 mi3528+791185+45503471115947
6M2.00 mi3370+1581111+7447+33240104746
8M2.00 mi3600-2301209-98474230151461
9.6M1.60 mi3260+3401049+16046+1177258729
10M0.40 mi3194+661032+1746282993140
10.5M0.50 mi3201-71038-6463644127551
12M1.50 mi3073+128990+4846257582037
Finish(13.11 mi)1.11 mi3056+17984+645+13252114045

Segment Performance Analysis

10.5M→12M

0.0 - 2.0 mi

Top 39%
~flat
+5ft-3ft

Overall

2575

Females

820

F50-54

38

2M→4M

2.0 - 4.0 mi

Top 53%
×4story building
+67ft-69ft

Overall

3471

Females

1159

F50-54

48

4M→6M

4.0 - 6.0 mi

Top 49%
×9story building
+123ft-9ft

Overall

3240

Females

1047

F50-54

47

6M→8M

6.0 - 8.0 mi

Top 64%
×12story building
+166ft-53ft

Overall

4230

Females

1514

F50-54

63

8M→9.6M

8.0 - 9.6 mi

Top 27%
×13story building
+68ft-193ft

Overall

1772

Females

587

F50-54

31

9.6M→10M

9.6 - 10.0 mi

Top 43%
×2story building
+0ft-24ft

Overall

2829

Females

931

F50-54

41

10M→10.5M

10.0 - 10.5 mi

Top 55%
×6story building
+1ft-73ft

Overall

3644

Females

1275

F50-54

51

10.5M→12M

10.5 - 12.0 mi

Top 39%
×21story building
+280ft-26ft

Overall

2575

Females

820

F50-54

38

12M→Finish

12.0 - 13.1 mi

Top 49%
×7story building
+14ft-89ft

Overall

3252

Females

1140

F50-54

45

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 2M-#3607
2M → 4M
123202+79
#3607 → #3528
4M → 6M
42200+158
#3528 → #3370
6M → 8M
28656*-230
#3370 → #3600
8M → 9.6M
12352+340
#3600 → #3260
9.6M → 10M
975+66
#3260 → #3194
10M → 10.5M
1912-7
#3194 → #3201
10.5M → 12M
30158+128
#3201 → #3073
12M → Finish
3552*+17
#3073 → #3056
TOTALS
5561107*+551
#3607 → #3056

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

Passing Visualized

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Official Timing Data

The San Francisco Marathon

The San Francisco Marathon

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